Ratings
WATANABE Keiichi (Japan)
Japanese name(s): 渡辺敬一378 tournaments
2219 results
Player ID: 5543
Rated 281 in Japan and 327 in Asia&Oceania&Africa and T414 in the World
Latest rating: 1867
2219 results
Player ID: 5543
Rated 281 in Japan and 327 in Asia&Oceania&Africa and T414 in the World
Latest rating: 1867
- 2023
- 2022
- 2019
- 2018
- 2017
- 2016
- 2015
- 2014
- 2013
- 2012
- 2011
- 2010
- 2009
- 2008
- 2007
- 2006
- 2005
- 2004
- 2003
- 2002
- 2001
- 1999
- 1998
2023-11-03: 121_Kanagawa_open_A(Japan)
2023-07-02: 119_Kanagawa_open_B(Japan)
2023-05-03: 214_Nagareyama_open(Japan)
2023-01-15: 212_Nagareyama_open(Japan)
| KAWAKAMI Makoto | 41-23 | WATANABE Keiichi |
| WATANABE Keiichi | 55-09 | TANAKA Chikako |
| TSUCHIKANE Hiroshi | 63-01 | WATANABE Keiichi |
| TOKUDA Akari | 38-26 | WATANABE Keiichi |
| WATANABE Keiichi | 48-16 | ISHII Kanari |
| ITAGAKI Kenichi | 42-22 | WATANABE Keiichi |
| YOKOYAMA Tatsuman | 45-19 | WATANABE Keiichi |
| WATANABE Keiichi | 42-22 | OHNO Atsuko |
| OTANI Akimoto | 41-23 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | IWAKURA Hiroaki |
| NOMURA Yusuke | 48-16 | WATANABE Keiichi |
| KOSHINO Kazuhiko | 44-20 | WATANABE Keiichi |
| HASEGAWA Takeshi | 41-23 | WATANABE Keiichi |
| KAWAMURA Kiu | 53-11 | WATANABE Keiichi |
| WATANABE Keiichi | 39-25 | NAKAMURA Kazuhiro |
| WATANABE Keiichi | 34-30 | MIYAMOTO Taketora |
| TSUCHIKANE Hiroshi | 54-10 | WATANABE Keiichi |
| WATANABE Keiichi | 56-08 | WAKAMATSU Yuya |
| KANEKO Hikaru | 60-04 | WATANABE Keiichi |
| WATANABE Keiichi | 51-13 | AKITADA Yuta |
| WATANABE Keiichi | 53-11 | KOBAYASHI Manabu |
| KINOSHITA Hisako | 55-09 | WATANABE Keiichi |
| WATANABE Keiichi | 47-17 | YAMANA Takuto |
| YAMANAKA Masayuki | 51-13 | WATANABE Keiichi |
2022-12-04: 11_Kanagawa_cup(Japan)
| WATANABE Keiichi | 51-13 | KOIZUMI Arata |
| NAKAMURA Rintaro | 44-20 | WATANABE Keiichi |
| WATANABE Keiichi | 43-21 | OHGA Nao |
| BUTO Aki | 45-19 | WATANABE Keiichi |
| WATANABE Keiichi | 49-15 | KURIHARA Aru |
| MITSUYA Nobuaki | 56-08 | WATANABE Keiichi |
2019-08-10: 10_Tokyo_open(Japan)
2019-03-10: 192_Nagareyama_open(Japan)
2019-03-03: 112_Kanagawa_open(Japan)
2019-01-05: Shinagawa_open_2019(Japan)
| OKIZAKI Kyo | 39-25 | WATANABE Keiichi |
| KITAMURA Momona | won against | WATANABE Keiichi |
| WATANABE Keiichi | 58-06 | YAMAGUCHI Hironobu |
| WATANABE Keiichi | 54-10 | UCHIYAMA Shuuhei |
| WATANABE Keiichi | 42-22 | TODOKORO Tae |
| IWAKURA Hiroaki | 49-15 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | KAWAI Shinobu |
| WATANABE Keiichi | 56-08 | ISHIDA Ren |
| ISOBE Masaki | 51-13 | WATANABE Keiichi |
| NODA Yuna | 43-21 | WATANABE Keiichi |
| WATANABE Keiichi | 37-27 | NAGATSUKA Ibuki |
| WATANABE Keiichi | 60-04 | OKUDA Tsuyoshi |
| ADACHI Shungai | 34-30 | WATANABE Keiichi |
| TSUCHIKANE Rinku | 39-25 | WATANABE Keiichi |
| KOSHINO Kazuhiko | 37-27 | WATANABE Keiichi |
| WATANABE Keiichi | 40-24 | TAKAHASHI Takemarotoshi |
| TAJIMA Isao | 33-31 | WATANABE Keiichi |
| YAMAGUCHI Tomoki | 40-24 | WATANABE Keiichi |
| WATANABE Keiichi | 42-22 | DE MARCO Wesley |
| OCHIAI Naofumi | 51-13 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | TAKANO Yuji |
| MITSUYA Nobuaki | 42-22 | WATANABE Keiichi |
| WATANABE Keiichi | 48-16 | KOJIMA Fumiya |
| WATANABE Keiichi | 45-19 | MIYAMOTO Taketora |
2018-08-11: 7_Tokyo_open(Japan)
2018-07-01: 108_Kanagawa_open(Japan)
2018-05-05: 186_Nagareyama_open(Japan)
2018-04-28: 6_Tokyo_open(Japan)
2018-03-25: 100_Sendai_open(Japan)
2018-03-04: 107_Kanagawa_open(Japan)
2018-01-07: 106_Kanagawa_open(Japan)
| WATANABE Keiichi | 39-25 | WATANABE Kiriya |
| WATANABE Keiichi | 34-30 | HASEGAWA Takeshi |
| WATANABE Keiichi | 36-28 | KUWAHARA Shuhei |
| WATAHIKI Kenta | 59-05 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | KATO Takahiro |
| ISOBE Masaki | 46-18 | WATANABE Keiichi |
| TANAKA Chikako | 32-32 | WATANABE Keiichi |
| WATANABE Keiichi | 45-19 | IWAKURA Hiroaki |
| NAMIKI Kazunari | 39-25 | WATANABE Keiichi |
| YAMAGUCHI Tomoki | 51-13 | WATANABE Keiichi |
| WATANABE Keiichi | 38-26 | TAKAHASHI Ama |
| HISHIYAMA Yuichi | 33-31 | WATANABE Keiichi |
| WATANABE Keiichi | 42-22 | KODAMA Tomoyuki |
| WATAHIKI Kenta | 40-24 | WATANABE Keiichi |
| WATANABE Keiichi | 46-18 | YAMANAKA Masayuki |
| MATSUMOTO Makoto | 41-23 | WATANABE Keiichi |
| WATANABE Keiichi | 42-22 | TANAKA Junji |
| NAGASHIMA Kazuhito | 38-26 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | FUJII Renya |
| KITAJIMA Hideki | 44-20 | WATANABE Keiichi |
| WATANABE Keiichi | 43-21 | YADOMI Kousuke |
| WATANABE Keiichi | 43-21 | NISHIMURA Haruna |
| TAJIMA Isao | 33-31 | WATANABE Keiichi |
| KOBAYASHI Ayumi | 39-25 | WATANABE Keiichi |
| TAKAHASHI Hisashi | 47-17 | WATANABE Keiichi |
| ONISHI Yu | 41-23 | WATANABE Keiichi |
| NAGASHIMA Kazuhito | 44-20 | WATANABE Keiichi |
| WATANABE Keiichi | 42-22 | WATANABE Yasuo |
| IZUMI Shinya | 42-22 | WATANABE Keiichi |
| YOKOSAWA Haruko | 35-29 | WATANABE Keiichi |
| TANAKA Junji | 45-19 | WATANABE Keiichi |
| URANO Kento | 46-18 | WATANABE Keiichi |
| WATANABE Keiichi | 42-22 | HORIUCHI Soutarou |
| TATSUMI-IIJIMA Yukiko | 35-29 | WATANABE Keiichi |
| YAMAZAKI Nobuyuki | 47-17 | WATANABE Keiichi |
| TANAKA Chikako | 45-19 | WATANABE Keiichi |
| MURAKAMI Takeshi | 48-16 | WATANABE Keiichi |
| WATANABE Keiichi | 40-24 | YAMADA Kazuko |
| WATANABE Keiichi | 46-18 | NISHIMURA Akihiro |
| KITAJIMA Hideki | 42-22 | WATANABE Keiichi |
| YAMAGUCHI Tomoki | 52-12 | WATANABE Keiichi |
| TATSUMI-IIJIMA Yukiko | 50-14 | WATANABE Keiichi |
2017-09-17: 2017_Yokohama_open(Japan)
2017-08-19: 128_Shinagawa_open(Japan)
2017-07-09: 179_Nagareyama_open(Japan)
2017-06-24: 126_Shinagawa_open(Japan)
2017-06-04: 61_Mito_Jishi_games(Japan)
2017-05-06: 2017_Kanto_championship_prelim(Japan)
2017-04-29: 5_Tokyo_open(Japan)
2017-04-22: 124_Shinagawa_open(Japan)
2017-04-01: 177_Nagareyama_open(Japan)
2017-03-05: 102_Kanagawa_open(Japan)
2017-01-22: 121_Shinagawa_open(Japan)
2017-01-08: 101_Kanagawa_open(Japan)
2017-01-03: Shinagawa_open_2017(Japan)
| WATANABE Keiichi | 58-06 | MATSUBARA Yuto |
| SUGIMOTO Takaharu | 51-13 | WATANABE Keiichi |
| WATANABE Keiichi | 37-27 | MONMA Naoto |
| MABUCHI Yuta | 55-09 | WATANABE Keiichi |
| SEKINE Taku | 39-25 | WATANABE Keiichi |
| WATANABE Keiichi | 54-10 | ABE Ryuji |
| WATANABE Keiichi | 48-16 | MATSUDO Kiyohiko |
| WATANABE Keiichi | 34-30 | YAMAGUCHI Tomoki |
| OSATO Suguru | 45-19 | WATANABE Keiichi |
| WATANABE Keiichi | 36-28 | TATSUMI-IIJIMA Yukiko |
| ISHIGURO Hiroki | 46-18 | WATANABE Keiichi |
| WATANABE Keiichi | 38-26 | ATOBE Shuugo |
| WATANABE Keiichi | 41-23 | TAKEDA Kyoko |
| WATANABE Keiichi | 46-18 | KOSHINO Kazuhiko |
| OHNO Atsuko | 55-09 | WATANABE Keiichi |
| ARAI Hiroyuki | 45-19 | WATANABE Keiichi |
| KATORI Michihiro | 43-21 | WATANABE Keiichi |
| WATANABE Keiichi | 53-11 | MIURA Toshie |
| AKAGI Tachiro | 41-23 | WATANABE Keiichi |
| KAJIAWA Mariko | 38-26 | WATANABE Keiichi |
| SHIKAMURA Hiroki | 44-20 | WATANABE Keiichi |
| WATANABE Keiichi | 38-26 | KOBAYASHI Manabu |
| SUGIMOTO Takaharu | 44-20 | WATANABE Keiichi |
| MATSUMOTO Makoto | 41-23 | WATANABE Keiichi |
| OSHIMIZU Takanori | 49-15 | WATANABE Keiichi |
| WATANABE Keiichi | 42-22 | OHUCHI Takeshi |
| KANEKO Akiyuki | 33-31 | WATANABE Keiichi |
| MIURA Toshie | 35-29 | WATANABE Keiichi |
| TOMI Kazuko | 33-31 | WATANABE Keiichi |
| KAMEDA Ryota | 45-19 | WATANABE Keiichi |
| WATANABE Keiichi | 39-25 | HORIUCHI Keiko |
| MURAKAMI Takeshi | 48-16 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | TAKAHASHI Hisashi |
| HASEGAWA Takeshi | 40-24 | WATANABE Keiichi |
| WATANABE Keiichi | 38-26 | KOBAYASHI Manabu |
| TAKAMIYA Emi | won against | WATANABE Keiichi |
| SANO Yoko | 36-28 | WATANABE Keiichi |
| WATANABE Keiichi | 38-26 | UCHIYAMA Shuuhei |
| IZUMI Takashi | 39-25 | WATANABE Keiichi |
| WATANABE Keiichi | 39-25 | KAJIAWA Shuji |
| WATANABE Keiichi | 38-26 | KANEKO Akiyuki |
| OSATO Suguru | won against | WATANABE Keiichi |
| WATANABE Keiichi | 45-19 | SAITO Osaki |
| WATANABE Keiichi | 54-10 | ATOBE Shuugo |
| ISHIGURO Hiroki | 42-22 | WATANABE Keiichi |
| SASAKI Yasuyuki | 36-28 | WATANABE Keiichi |
| NGIAM Zhen Wei | 37-27 | WATANABE Keiichi |
| NARA Souma | 45-19 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | UCHIYAMA Shuuhei |
| WATANABE Keiichi | 38-26 | TAKAHASHI Toshi |
| KOJIMA Akiyasu | 36-28 | WATANABE Keiichi |
| WATANABE Keiichi | 44-20 | ISHII Takamasa |
| WATANABE Keiichi | 33-31 | YANO Yasushi |
| SUGIMOTO Nobuyiko | 33-31 | WATANABE Keiichi |
| TATSUMI-IIJIMA Yukiko | 47-17 | WATANABE Keiichi |
| YAMAZAKI Nobuyuki | 34-30 | WATANABE Keiichi |
| TAKEDA Kyoko | 35-29 | WATANABE Keiichi |
| WATANABE Keiichi | 64-00 | SHIHAZAKI Ryuusei |
| WATANABE Keiichi | 48-16 | OGINO Takeru |
| TAKAMIZAWA Daiki | 40-24 | WATANABE Keiichi |
| TATSUMI-IIJIMA Yukiko | 46-18 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | OSATO Suguru |
| WATANABE Keiichi | 34-30 | NAKAZAWA Junichi |
| WATANABE Keiichi | 40-24 | KATSUHISA Daisuke |
| WATANABE Keiichi | 33-31 | NARUMI Hisatoshi |
| TANIDA Kunihiko | 43-21 | WATANABE Keiichi |
| UEKI Kyoichi | 43-21 | WATANABE Keiichi |
| WATANABE Keiichi | 41-23 | KOBAYASHI Manabu |
| HISHIYAMA Yuichi | 33-31 | WATANABE Keiichi |
| KOSHINO Kazuhiko | 38-26 | WATANABE Keiichi |
| KAJIAWA Mariko | 33-31 | WATANABE Keiichi |
| OHTAKE Kosuke | 36-28 | WATANABE Keiichi |
| TAKITA Yohei | 42-22 | WATANABE Keiichi |
| KUDOU Yuusei | 37-27 | WATANABE Keiichi |
| WATANABE Keiichi | 45-19 | MITSUYA Nobuaki |
| ISHIGURO Hiroki | 37-27 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | SATO Ryu |
| HAYASAKA Toshie | 46-18 | WATANABE Keiichi |
2016-12-24: 174_Nagareyama_open(Japan)
2016-11-26: 119_Shinagawa_open(Japan)
2016-10-01: 172_Nagareyama_open(Japan)
2016-09-24: Star_camp_2016(Japan)
2016-09-18: 2016_Yokohama_open(Japan)
2016-08-27: 117_Shinagawa_open(Japan)
2016-08-07: 7_Kanagawa_cup(Japan)
2016-07-09: 108_Chiyarenshi_open_intermediate(Japan)
2016-03-06: 97_Kanagawa_open(Japan)
2016-02-27: 110_Shinagawa_open(Japan)
2016-01-17: 167_Nagareyama_open(Japan)
2016-01-10: New_Year_conference(Japan)
2016-01-03: Shinagawa_open_2016(Japan)
| TSUCHIYA Shotaro | 44-20 | WATANABE Keiichi |
| WATANABE Keiichi | 46-18 | NAKAMURA Kazuhiro |
| MATSUMOTO Makoto | 39-25 | WATANABE Keiichi |
| ISHII Takamasa | 33-31 | WATANABE Keiichi |
| KOBAYASHI Makoto | 39-25 | WATANABE Keiichi |
| MABUCHI Yuta | 47-17 | WATANABE Keiichi |
| WATANABE Keiichi | 38-26 | NAKAMURA Kazuki |
| TANIDA Kunihiko | won against | WATANABE Keiichi |
| KIYONOBU Kenta | 62-02 | WATANABE Keiichi |
| WATANABE Keiichi | 55-09 | KANTAKE Ayato |
| WATANABE Keiichi | 56-08 | TACHISAWA Ayumi |
| SASAKI Yasuyuki | 49-15 | WATANABE Keiichi |
| HISHIYAMA Yuichi | 40-24 | WATANABE Keiichi |
| WATANABE Keiichi | 46-18 | SHINDO Aoba |
| WATANABE Keiichi | 55-09 | UCHIYAMA Shuuhei |
| ISOBE Masaki | 48-16 | WATANABE Keiichi |
| OSATO Suguru | 44-20 | WATANABE Keiichi |
| NAKAZAWA Junichi | 38-26 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | OBARA Hiroto |
| TAKIZAWA Masaki | 46-18 | WATANABE Keiichi |
| NARA Souma | 50-14 | WATANABE Keiichi |
| WATANABE Keiichi | 38-26 | UMEZAWA Shiho |
| AIHARA Shigeaki | 38-26 | WATANABE Keiichi |
| WATANABE Keiichi | 46-18 | KANDA Yoshihiro |
| WATANABE Keiichi | 34-30 | ONUKI Yutaka |
| MORII Takumi | 42-22 | WATANABE Keiichi |
| NAKAMURA Kazuki | 43-21 | WATANABE Keiichi |
| WATANABE Keiichi | 36-28 | KIKUCHI Takafumi |
| KOSHINO Kazuhiko | 33-31 | WATANABE Keiichi |
| WATANABE Keiichi | 41-23 | ISHII Kentarou |
| TANIDA Kunihiko | 62-02 | WATANABE Keiichi |
| WATANABE Keiichi | 46-18 | SEKINE Taku |
| SASAKI Kousuke | 56-08 | WATANABE Keiichi |
| WATANABE Keiichi | 58-06 | SUDA Mao |
| SHINDO You | 40-24 | WATANABE Keiichi |
| WATANABE Keiichi | 46-18 | KOBAYASHI Manabu |
| WATANABE Keiichi | 47-17 | KUNO Shiori |
| SATANI Tetsu | 32-32 | WATANABE Keiichi |
| SANO Yoko | 41-23 | WATANABE Keiichi |
| ISHII Takehiro | 48-16 | WATANABE Keiichi |
| ISHIKAWA Akira | 56-08 | WATANABE Keiichi |
| MATSUMOTO Makoto | 47-17 | WATANABE Keiichi |
| HAMAMOTO Kazushi | 41-23 | WATANABE Keiichi |
| WATANABE Keiichi | 41-23 | SAJI Kouya |
| NAGISA Shougo | 49-15 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | KOBAYASHI Manabu |
| OHNO Atsuko | 38-26 | WATANABE Keiichi |
| NAKAMURA Kazuki | 41-23 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | TANI Katsuya |
| NARUMI Hisatoshi | 42-22 | WATANABE Keiichi |
| TSUCHIYA Shotaro | 41-23 | WATANABE Keiichi |
| TAKAHASHI Kenji | 48-16 | WATANABE Keiichi |
| SASAKI Yasuyuki | 49-15 | WATANABE Keiichi |
| WATANABE Keiichi | 32-32 | TAKEDA Kyoko |
| NAKAMURA Kazuki | 37-27 | WATANABE Keiichi |
| KITANO Takumi | 36-28 | WATANABE Keiichi |
| IGARASHI Jun | 47-17 | WATANABE Keiichi |
| NAKAZAWA Junichi | 61-03 | WATANABE Keiichi |
| OCHIAI Naofumi | 36-28 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | MIYAZAWA Masuyama |
| WATANABE Keiichi | 57-07 | NAKAMURA Kazuhiro |
| HISHIYAMA Yuichi | 43-21 | WATANABE Keiichi |
| SOUDA Shun | 43-21 | WATANABE Keiichi |
| WATANABE Keiichi | 37-27 | HAYASAKA Toshie |
| ISOBE Masaki | 36-28 | WATANABE Keiichi |
| ARAKI Yasuyuki | 55-09 | WATANABE Keiichi |
| WATANABE Keiichi | 60-04 | ABE Yoichi |
| FUJIOKA Ken | 45-19 | WATANABE Keiichi |
| WATANABE Keiichi | 50-14 | MIZUNO Keigo |
| NAGAO Hiroto | 42-22 | WATANABE Keiichi |
| TSUCHIYA Ryosuke | 54-10 | WATANABE Keiichi |
| TODOKORO Tae | 55-09 | WATANABE Keiichi |
| WATANABE Keiichi | 64-00 | NAMIKI Aoi |
| NAGAO Hiroto | 44-20 | WATANABE Keiichi |
| WATANABE Keiichi | 36-28 | KAWARADA Seiji |
| OSATO Suguru | 45-19 | WATANABE Keiichi |
| WATANABE Keiichi | 64-00 | SAKAMOTO Maya |
2015-12-26: 108_Shinagawa_open(Japan)
2015-12-23: 166_Nagareyama_open(Japan)
2015-11-28: 106_Shinagawa_open(Japan)
2015-10-11: 4_team_Shinagawa_open(Japan)
2015-09-20: 11_Chiba_open(Japan)
2015-09-12: 99_Chiyarenshi_open(Japan)
2015-08-30: 94_Kanagawa_open(Japan)
2015-08-22: 104_Shinagawa_open(Japan)
2015-08-09: 163_Nagareyama_open(Japan)
2015-08-08: 98_Chiyarenshi_open(Japan)
2015-08-02: 6_Kanagawa_cup(Japan)
2015-07-25: 103_Shinagawa_open(Japan)
2015-06-27: 102_Shinagawa_open(Japan)
2015-06-21: 43_All_Japan_Tokyo_prelim_2(Japan)
2015-06-13: 96_Chiyarenshi_open(Japan)
2015-06-07: 43_All_Japan_Tokyo_prelim_1(Japan)
2015-05-23: 101_Shinagawa_open(Japan)
2015-05-09: 95_Chiyarenshi_open(Japan)
2015-05-06: Kanto_champ_women_students_pr(Japan)
2015-05-03: 2_Mito_endurance_game(Japan)
2015-04-29: 3_Tokyo_open(Japan)
2015-04-25: 100_Shinagawa_open(Japan)
2015-04-11: 94_Chiyarenshi_open(Japan)
2015-04-05: 3_Yokohama_challenge(Japan)
2015-03-28: 99_Shinagawa_open(Japan)
2015-03-15: 159_Nagareyama_open(Japan)
2015-03-14: 93_Chiyarenshi_open(Japan)
2015-03-08: 39_Mito_Jishi_games(Japan)
2015-02-28: 98_Shinagawa_open(Japan)
2015-02-14: 92_Chiyarenshi_open(Japan)
2015-01-24: 97_Shinagawa_open(Japan)
2015-01-03: Shinagawa_open_2015(Japan)
| NAKANO Jo | 39-25 | WATANABE Keiichi |
| WATANABE Keiichi | 43-21 | KUBO Katsuhiko |
| NAGANO Yasushi | 42-22 | WATANABE Keiichi |
| WATANABE Keiichi | 38-26 | TAKAMIZAWA Daiki |
| TATSUMI-IIJIMA Yukiko | 44-20 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | SAJI Kouya |
| NARA Souma | 53-11 | WATANABE Keiichi |
| SOUDA Shun | 45-19 | WATANABE Keiichi |
| OKAMURA Anetsu | 37-27 | WATANABE Keiichi |
| WATANABE Keiichi | 39-25 | KATSURA Hisatoshi |
| KOBAYASHI Manabu | 38-26 | WATANABE Keiichi |
| KOBAYASHI Makoto | 40-24 | WATANABE Keiichi |
| KIYONOBU Kenta | 35-29 | WATANABE Keiichi |
| KOBAYASHI Manabu | 33-31 | WATANABE Keiichi |
| ONUKI Yutaka | 34-30 | WATANABE Keiichi |
| WATANABE Keiichi | 36-28 | NAKAMURA Rintaro |
| TSUCHIYA Ryosuke | 34-30 | WATANABE Keiichi |
| WATANABE Keiichi | 36-28 | TATEYANAGI Miki |
| WATANABE Keiichi | 44-20 | HANDAI Ken |
| MATSUZAWA Sato | 36-28 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | TAKAHASHI Shiu |
| WATANABE Keiichi | 39-25 | ASOU Tachiro |
| OSATO Suguru | 32-32 | WATANABE Keiichi |
| NARA Souma | 50-14 | WATANABE Keiichi |
| WATANABE Keiichi | 52-12 | TAKAO Izumi |
| KOBAYASHI Manabu | 49-15 | WATANABE Keiichi |
| WATANABE Keiichi | 41-23 | KOBAYASHI Makoto |
| WATANABE Keiichi | 40-24 | HAYASAKA Toshie |
| MATSUZAWA Masa | 37-27 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | ABE Ryuji |
| WATANABE Keiichi | 41-23 | KAWAGUCHI Genki |
| SHIRAI Ukyo | 35-29 | WATANABE Keiichi |
| YAMAMOTO Takashi | 35-29 | WATANABE Keiichi |
| TAKAMIZAWA Daiki | 37-27 | WATANABE Keiichi |
| IWAKURA Hiroaki | 32-32 | WATANABE Keiichi |
| TSUCHIYA Ryosuke | 40-24 | WATANABE Keiichi |
| OHTAKE Kosuke | 42-22 | WATANABE Keiichi |
| WATANABE Keiichi | 45-19 | FUKUHATA Kiyone |
| TAKAHASHI Shiu | 36-28 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | ISHIKAWA Toshihiro |
| ISHIKAWA Akira | 35-29 | WATANABE Keiichi |
| MORI Takahiro | 35-29 | WATANABE Keiichi |
| WATANABE Keiichi | 38-26 | YUBARA Satoshi |
| WATANABE Keiichi | 35-29 | TAMAKI Kyotaro |
| WATANABE Keiichi | 36-28 | NARUMI Hisatoshi |
| TAKASAKI Shohei | 33-31 | WATANABE Keiichi |
| WATANABE Keiichi | 55-09 | OHKUMA Yuki |
| TSUCHIYA Shotaro | 43-21 | WATANABE Keiichi |
| NARA Souma | 35-29 | WATANABE Keiichi |
| OSATO Suguru | 58-06 | WATANABE Keiichi |
| WATANABE Keiichi | 53-11 | SUZUKI Kenji |
| WAKIMOTO Naoyuki | 51-13 | WATANABE Keiichi |
| KOBAYASHI Manabu | 34-30 | WATANABE Keiichi |
| WATANABE Keiichi | 42-22 | MATSUZAWA Masa |
| WATANABE Keiichi | won against | URANO Kento |
| INAZU Harutaro | 40-24 | WATANABE Keiichi |
| WATANABE Keiichi | 38-26 | ONUKI Yutaka |
| ASAHINA Satoshi | 39-25 | WATANABE Keiichi |
| IKEDA Atsuhiko | 42-22 | WATANABE Keiichi |
| TATSUMI-IIJIMA Yukiko | 53-11 | WATANABE Keiichi |
| WATANABE Keiichi | 42-22 | ISHIKAWA Akira |
| MATSUMOTO Makoto | 33-31 | WATANABE Keiichi |
| WATANABE Keiichi | 41-23 | ITO Yuta |
| IWAZAWA Junya | 45-19 | WATANABE Keiichi |
| NODA Bintatsu | 40-24 | WATANABE Keiichi |
| WATANABE Keiichi | 37-27 | FUKUI Nobuhiro |
| WATANABE Keiichi | 37-27 | TAKAMIZAWA Daiki |
| HISHIYAMA Yuichi | 43-21 | WATANABE Keiichi |
| NAKAZAWA Junichi | 41-23 | WATANABE Keiichi |
| TATSUMI-IIJIMA Yukiko | 40-24 | WATANABE Keiichi |
| WATANABE Keiichi | 42-22 | MARUTA Osamu |
| WATANABE Keiichi | 42-22 | KIMURA Mikio |
| KIYONOBU Kenta | 38-26 | WATANABE Keiichi |
| TANIDA Kunihiko | 33-31 | WATANABE Keiichi |
| MATSUSHITA Yumiko | 33-31 | WATANABE Keiichi |
| ISHIKAWA Akira | 34-30 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | SUGUWARA Kiyoshi |
| YAMAZAKI Nobuyuki | 34-30 | WATANABE Keiichi |
| TANAKA Shuntaro | 42-22 | WATANABE Keiichi |
| NISHIO Hakudo | 39-25 | WATANABE Keiichi |
| NAKAZAWA Junichi | 33-31 | WATANABE Keiichi |
| WATANABE Keiichi | 41-23 | MATSUZAWA Masa |
| KOSHINO Kazuhiko | 35-29 | WATANABE Keiichi |
| NAKAZAWA Junichi | 41-23 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | URANO Kento |
| TAYAMA Tsubasa | 41-23 | WATANABE Keiichi |
| KAWARADA Seiji | 36-28 | WATANABE Keiichi |
| MATSUZAWA Masa | 33-31 | WATANABE Keiichi |
| NAKANO Jo | 40-24 | WATANABE Keiichi |
| YAMAZAKI Nobuyuki | 39-25 | WATANABE Keiichi |
| SOUDA Shun | 37-27 | WATANABE Keiichi |
| WATANABE Keiichi | 41-23 | SHIRAI Ukyo |
| NISHIO Hakudo | 37-27 | WATANABE Keiichi |
| TANAKA Shuntaro | 40-24 | WATANABE Keiichi |
| MATSUZAWA Masa | 45-19 | WATANABE Keiichi |
| IWATA Hiroyuki | 46-18 | WATANABE Keiichi |
| WATANABE Keiichi | 40-24 | KOZUTSUMI Kumiko |
| OHNO Atsuko | 41-23 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | MORI Asuka |
| SUGUWARA Kiyoshi | 36-28 | WATANABE Keiichi |
| TAYAMA Tsubasa | 36-28 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | MATSUZAWA Masa |
| NAKAZAWA Junichi | 35-29 | WATANABE Keiichi |
| NARA Souma | 42-22 | WATANABE Keiichi |
| ITSUKI Nakasama | 34-30 | WATANABE Keiichi |
| ITAGAKI Kenichi | 39-25 | WATANABE Keiichi |
| TACHIKI Akira | 38-26 | WATANABE Keiichi |
| HISHIYAMA Yuichi | 40-24 | WATANABE Keiichi |
| WATANABE Keiichi | 39-25 | OKAMA Ayumi |
| WATANABE Keiichi | 41-23 | KOBAYASHI Manabu |
| YAMAKAWA Yasuo | 45-19 | WATANABE Keiichi |
| WATANABE Keiichi | 39-25 | NAKAMURA Keiko |
| WATANABE Keiichi | 51-13 | KOBAYASHI Manabu |
| IIJIMA Takamune | 43-21 | WATANABE Keiichi |
| TATSUMI-IIJIMA Yukiko | 40-24 | WATANABE Keiichi |
| WATANABE Keiichi | 36-28 | OHE Yoshimaru |
| IZUMI Takashi | 32-32 | WATANABE Keiichi |
| YAMAKAWA Yasuo | 38-26 | WATANABE Keiichi |
| TANAKA Atsushi | 37-27 | WATANABE Keiichi |
| IIJIMA Takamune | 34-30 | WATANABE Keiichi |
| TATSUMI-IIJIMA Yukiko | 48-16 | WATANABE Keiichi |
| SUZUKI Kenji | 38-26 | WATANABE Keiichi |
| KOBAYASHI Manabu | 41-23 | WATANABE Keiichi |
| OHE Yoshimaru | 39-25 | WATANABE Keiichi |
| SUZUKI Kenji | 39-25 | WATANABE Keiichi |
| YAMAKAWA Yasuo | 51-13 | WATANABE Keiichi |
| IZUMI Takashi | 55-09 | WATANABE Keiichi |
| SATO Hisakazu | 45-19 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | SUGUWARA Kiyoshi |
| NAMIKI Kazunari | 33-31 | WATANABE Keiichi |
| TATSUMI-IIJIMA Yukiko | 42-22 | WATANABE Keiichi |
| TAKAHASHI Hisashi | 33-31 | WATANABE Keiichi |
| WATANABE Keiichi | 40-24 | YAMADA Kazuko |
| KOSHINO Kazuhiko | 43-21 | WATANABE Keiichi |
| NAKANO Jo | 38-26 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | TAKIGAWA Mitsuaki |
| WATANABE Keiichi | 35-29 | KURIHARA Aru |
| KUROIWA Atsuhiro | 42-22 | WATANABE Keiichi |
| TANAKA Atsushi | 38-26 | WATANABE Keiichi |
| WATANABE Keiichi | 41-23 | ISHII Takamasa |
| WATANABE Keiichi | 36-28 | MORII Takumi |
| WATANABE Keiichi | 35-29 | SUGUWARA Kiyoshi |
| NAKAZAWA Junichi | 33-31 | WATANABE Keiichi |
| SUGUWARA Kiyoshi | 35-29 | WATANABE Keiichi |
| WATANABE Keiichi | 41-23 | NAKAZAWA Junichi |
| MORII Takumi | 34-30 | WATANABE Keiichi |
| OSATO Suguru | 51-13 | WATANABE Keiichi |
| TAKIGAWA Mitsuaki | 46-18 | WATANABE Keiichi |
| MABUCHI Yuta | 42-22 | WATANABE Keiichi |
| IKEDA Atsuhiko | 55-09 | WATANABE Keiichi |
| NAKAZAWA Junichi | 33-31 | WATANABE Keiichi |
| HAYASAKA Toshie | 64-00 | WATANABE Keiichi |
| KURIHARA Aru | 37-27 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | OCHIAI Naofumi |
| WATANABE Keiichi | won against | TAKATA Senri |
| TAKIGAWA Mitsuaki | 44-20 | WATANABE Keiichi |
| FUKUI Hiroto | 34-30 | WATANABE Keiichi |
| KUROIWA Atsuhiro | 34-30 | WATANABE Keiichi |
| HAGIKURA Yutaka | 55-09 | WATANABE Keiichi |
| ISOBE Masaki | 44-20 | WATANABE Keiichi |
| HIRATA Motohiro | 46-18 | WATANABE Keiichi |
| YUJIRI Kouta | 59-05 | WATANABE Keiichi |
| SUZUKI Kenji | 35-29 | WATANABE Keiichi |
| WATANABE Keiichi | 37-27 | TAYAMA Tsubasa |
| ITSUKI Nakasama | 44-20 | WATANABE Keiichi |
| KANEKO Kodai | 37-27 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | NAKAZAWA Junichi |
| MATSUZAWA Masa | 36-28 | WATANABE Keiichi |
| OSATO Suguru | 38-26 | WATANABE Keiichi |
| HAMA Masayuki | 49-15 | WATANABE Keiichi |
| WATANABE Keiichi | 50-14 | WATANABE Katsuhiko |
| IZUMI Takashi | 44-20 | WATANABE Keiichi |
| WATANABE Keiichi | 38-26 | WATANABE Tomonori |
| GOTO Masahiro | 36-28 | WATANABE Keiichi |
| OSATO Suguru | 37-27 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | URANO Kento |
| IZUMI Takashi | 41-23 | WATANABE Keiichi |
| WATANABE Keiichi | 38-26 | AOKI Hiroshi |
| WATANABE Keiichi | 45-19 | NAKAJIMA Daisuke |
| WATANABE Keiichi | 40-24 | NAKAZAWA Junichi |
| WATANABE Keiichi | 36-28 | WATANABE Katsuhiko |
| FUKUCHI Keisuke | 40-24 | WATANABE Keiichi |
| SUGUWARA Kiyoshi | 34-30 | WATANABE Keiichi |
| WATANABE Tomonori | 38-26 | WATANABE Keiichi |
| MATSUZAWA Masa | 33-31 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | NAKANO Jo |
| TAKAHASHI Hisashi | 41-23 | WATANABE Keiichi |
| SOUDA Shun | 36-28 | WATANABE Keiichi |
| WATANABE Keiichi | won against | NARITA Shunsuke |
| WATANABE Keiichi | 38-26 | KOBAYASHI Manabu |
| IWATA Hiroyuki | 41-23 | WATANABE Keiichi |
| NAKAYAMA Takahiro | 36-28 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | NAGANO Yasushi |
| HISHIYAMA Yuichi | 41-23 | WATANABE Keiichi |
| KOSHINO Kazuhiko | 41-23 | WATANABE Keiichi |
| WATANABE Keiichi | 43-21 | SUGISAKI Harumi |
| OHNO Atsuko | won against | WATANABE Keiichi |
| TAKIGAWA Mitsuaki | 36-28 | WATANABE Keiichi |
2014-12-27: 157_Nagareyama_open(Japan)
2014-12-13: 90_Chiyarenshi_open(Japan)
2014-12-07: 24_Kawasaki_open(Japan)
2014-11-30: year_forgetting_conf_2014(Japan)
2014-11-23: 89_Mito_meeting(Japan)
2014-11-09: 95_Shinagawa_open(Japan)
2014-11-02: 90_Kanagawa_open(Japan)
2014-10-26: 10_Chiba_open(Japan)
2014-10-12: 3_team_Shinagawa_open(Japan)
2014-10-11: 89_Chiyarenshi_open(Japan)
2014-09-28: 2014_Yokohama_open(Japan)
2014-09-23: 47_Tatebayashi_open(Japan)
2014-09-14: 156_Nagareyama_open(Japan)
2014-09-13: 94_Shinagawa_open(Japan)
2014-08-31: 89_Kanagawa_open(Japan)
2014-08-24: 155_Nagareyama_open(Japan)
2014-08-17: Mito_Jishi_games(Japan)
2014-08-09: 88_Chiyarenshi_open(Japan)
2014-08-03: 5_Kanagawa_cup(Japan)
2014-07-13: 42_All_Japan_Championship(Japan)
2014-07-06: 88_Kanagawa_open(Japan)
2014-07-05: 154_Nagareyama_open(Japan)
2014-06-14: 87_Chiyarenshi_open(Japan)
2014-06-08: 42_All_Japan_Tokyo_prelim_2(Japan)
2014-06-01: 42_All_Japan_Tokyo_prelim_1(Japan)
2014-05-11: 153_Nagareyama_open(Japan)
2014-04-19: 152_Nagareyama_open(Japan)
2014-02-02: 2014_Tokyo_expert_games(Japan)
2014-02-01: 33_Mito_Jishi_games(Japan)
2014-01-19: 44_Tatebayashi_open(Japan)
2014-01-12: 150_Nagareyama_open(Japan)
2014-01-05: 86_Kanagawa_open(Japan)
2014-01-03: Shinagawa_open_2014(Japan)
| WATANABE Keiichi | 42-22 | EGUTI Kotoha |
| WATANABE Keiichi | 36-28 | KOBAYASHI Makoto |
| OHUCHI Yasuhiro | 41-23 | WATANABE Keiichi |
| WATANABE Keiichi | 49-15 | FUNATSU Asuka |
| KOBAYASHI Manabu | 48-16 | WATANABE Keiichi |
| ISOBE Masaki | 38-26 | WATANABE Keiichi |
| NAKAZAWA Junichi | 40-24 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | KAWARADA Seiji |
| OSATO Suguru | 45-19 | WATANABE Keiichi |
| KOBAYASHI Mai | 35-29 | WATANABE Keiichi |
| HAYASAKA Toshie | won against | WATANABE Keiichi |
| SHIRAI Ukyo | 47-17 | WATANABE Keiichi |
| WATANABE Keiichi | 36-28 | TAKAHASHI Shiu |
| TAYAMA Tsubasa | 40-24 | WATANABE Keiichi |
| WATANABE Keiichi | 42-22 | OCHIAI Naofumi |
| HISHIYAMA Yuichi | 53-11 | WATANABE Keiichi |
| TAKAHASHI Hisashi | 55-09 | WATANABE Keiichi |
| SANO Hirotaka | 44-20 | WATANABE Keiichi |
| WATANABE Keiichi | 64-00 | HASEGAWA Toshi |
| ARAKI Yasuyuki | 50-14 | WATANABE Keiichi |
| NAGAO Hiroto | 51-13 | WATANABE Keiichi |
| WATANABE Keiichi | 43-21 | MUKAI Daisuke |
| WATANABE Keiichi | 38-26 | HAYASAKA Toshie |
| WATANABE Keiichi | 34-30 | WATANABE Tomonori |
| IZUMI Takashi | 51-13 | WATANABE Keiichi |
| HAMA Masayuki | 41-23 | WATANABE Keiichi |
| FUNATSU Asuka | 45-19 | WATANABE Keiichi |
| HAMA Kouta | 35-29 | WATANABE Keiichi |
| TAKAHASHI Hisashi | 35-29 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | HIRONAKA Tomohiko |
| WATANABE Keiichi | 33-31 | TAKIGAWA Mitsuaki |
| NAKAZAWA Junichi | 34-30 | WATANABE Keiichi |
| WATANABE Keiichi | 39-25 | NISHIO Hakudo |
| KURIHARA Aru | 35-29 | WATANABE Keiichi |
| TANAKA Atsushi | 39-25 | WATANABE Keiichi |
| ITAGAKI Kenichi | 41-23 | WATANABE Keiichi |
| ONISHI Tomoyuki | 34-30 | WATANABE Keiichi |
| ISHIKAWA Akira | 35-29 | WATANABE Keiichi |
| WATANABE Keiichi | 43-21 | MORII Takumi |
| FUNATSU Asuka | 40-24 | WATANABE Keiichi |
| KOSHINO Kazuhiko | 41-23 | WATANABE Keiichi |
| WATANABE Keiichi | 55-09 | EGUTI Masashi |
| TSUCHIYA Ryosuke | 49-15 | WATANABE Keiichi |
| WATANABE Keiichi | 51-13 | ISHITAKA Masaki |
| WATANABE Keiichi | 36-28 | TAKAHASHI Hisashi |
| KURIHARA Aru | 49-15 | WATANABE Keiichi |
| TAKAHASHI Hisashi | 39-25 | WATANABE Keiichi |
| YOKOUCHI Yuji | 38-26 | WATANABE Keiichi |
| MABUCHI Yuta | 34-30 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | KITANO Takumi |
| KOBAYASHI Manabu | 39-25 | WATANABE Keiichi |
| OSATO Suguru | 36-28 | WATANABE Keiichi |
| FUKUCHI Keisuke | 42-22 | WATANABE Keiichi |
| URANO Kento | 38-26 | WATANABE Keiichi |
| NAKAZAWA Junichi | 41-23 | WATANABE Keiichi |
| MORII Takumi | 43-21 | WATANABE Keiichi |
| OSATO Suguru | 32-32 | WATANABE Keiichi |
| KITANO Takumi | 34-30 | WATANABE Keiichi |
| WATANABE Keiichi | 48-16 | SUGUWARA Kiyoshi |
| OHTAKE Kosuke | 35-29 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | YAMADA Kazuko |
| WATANABE Keiichi | 42-22 | SUZUKI Kenji |
| KURACHI Takayuki | 37-27 | WATANABE Keiichi |
| WATANABE Keiichi | 36-28 | KAWASAKI Akito |
| HISHIYAMA Yuichi | 43-21 | WATANABE Keiichi |
| KITANO Takumi | 36-28 | WATANABE Keiichi |
| WATANABE Keiichi | 40-24 | OHUCHI Yasuhiro |
| KINOSHITA Tsutomu | 34-30 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | SUZUKI Kenji |
| WATANABE Keiichi | 38-26 | KOBAYASHI Manabu |
| KAMIKURA Daisuke | 47-17 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | GOTO Masahiro |
| IWAKURA Hiroaki | 46-18 | WATANABE Keiichi |
| HISHIYAMA Yuichi | 36-28 | WATANABE Keiichi |
| SATOMI Takashi | 39-25 | WATANABE Keiichi |
| WATANABE Keiichi | 44-20 | KAWABATA Seiji |
| NAKANO Jo | 39-25 | WATANABE Keiichi |
| KITANO Takumi | 33-31 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | MATSUZAWA Masa |
| MABUCHI Yuta | 41-23 | WATANABE Keiichi |
| NAKANO Jo | 41-23 | WATANABE Keiichi |
| MABUCHI Yuta | 37-27 | WATANABE Keiichi |
| WATANABE Keiichi | 42-22 | OKAMA Ayumi |
| SHIRAI Ukyo | 40-24 | WATANABE Keiichi |
| WATANABE Keiichi | 64-00 | KAWABATA Seiji |
| TSUCHIYA Ryosuke | 49-15 | WATANABE Keiichi |
| HAYASAKA Toshie | 38-26 | WATANABE Keiichi |
| SUZUKI Kenji | 38-26 | WATANABE Keiichi |
| MORII Takumi | 49-15 | WATANABE Keiichi |
| MABUCHI Yuta | 42-22 | WATANABE Keiichi |
| WATANABE Keiichi | 38-26 | ASAKAWA Takuya |
| OHNO Atsuko | 34-30 | WATANABE Keiichi |
| MIURA Toshie | 36-28 | WATANABE Keiichi |
| WATANABE Keiichi | 43-21 | KIKUCHI Takafumi |
| WATANABE Keiichi | 36-28 | HAMA Kouta |
| ARAI Hiroyuki | 40-24 | WATANABE Keiichi |
| KOBAYASHI Manabu | 49-15 | WATANABE Keiichi |
| WATANABE Tomonori | 49-15 | WATANABE Keiichi |
| WATANABE Keiichi | 36-28 | ITSUKI Nakasama |
| WATANABE Keiichi | 35-29 | MORII Takumi |
| SOUDA Shun | 33-31 | WATANABE Keiichi |
| NAGAO Kazuki | 39-25 | WATANABE Keiichi |
| SATOMI Takashi | 37-27 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | NAKAZAWA Junichi |
| WATANABE Keiichi | 36-28 | NAGAO Hiroto |
| TANAKA Shuntaro | 51-13 | WATANABE Keiichi |
| IWAKURA Hiroaki | 38-26 | WATANABE Keiichi |
| TAKAHASHI Hisashi | 50-14 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | OCHIAI Naofumi |
| ISHIKAWA Akira | 40-24 | WATANABE Keiichi |
| MORII Takumi | 35-29 | WATANABE Keiichi |
| WATANABE Keiichi | won against | FUJII Koichi |
| WATANABE Keiichi | won against | YASUJIMA Yuji |
| YABE Uma | won against | WATANABE Keiichi |
| OHTSUBO Masayuki | won against | WATANABE Keiichi |
| MATSUMOTO Makoto | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | HAMAMOTO Kazuhiro |
| SATANI Tetsu | 43-21 | WATANABE Keiichi |
| WATANABE Keiichi | 42-22 | ISHIDA Kazuaki |
| NAGAO Hiroto | 51-13 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | OKAMA Ayumi |
| IWAKURA Hiroaki | 38-26 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | MORII Takumi |
| WATANABE Keiichi | 42-22 | KOBAYASHI Manabu |
| FUNATSU Asuka | 37-27 | WATANABE Keiichi |
| SANO Yoko | 39-25 | WATANABE Keiichi |
| SANO Joichiro | 43-21 | WATANABE Keiichi |
| NARITA Shunsuke | 53-11 | WATANABE Keiichi |
| ISOBE Masaki | 54-10 | WATANABE Keiichi |
| ITSUKI Nakasama | 39-25 | WATANABE Keiichi |
| WATANABE Keiichi | 39-25 | MATSUZAWA Masa |
| KITANO Takumi | 40-24 | WATANABE Keiichi |
| WATANABE Keiichi | 37-27 | ISHIDA Kazuaki |
| WATANABE Keiichi | 38-26 | SATOMI Takashi |
| INOMATA Daichi | 43-21 | WATANABE Keiichi |
| NAKANO Jo | 37-27 | WATANABE Keiichi |
| HISHIYAMA Yuichi | 39-25 | WATANABE Keiichi |
| MABUCHI Yuta | 39-25 | WATANABE Keiichi |
| IWATA Hiroyuki | 42-22 | WATANABE Keiichi |
| OHUCHI Yasuhiro | 35-29 | WATANABE Keiichi |
| KAMIKURA Daisuke | 39-25 | WATANABE Keiichi |
| YAMAZAKI Nobuyuki | 36-28 | WATANABE Keiichi |
| WATANABE Keiichi | 36-28 | MATSUZAWA Masa |
| KOZUKA Katsuhiko | 34-30 | WATANABE Keiichi |
| MABUCHI Yuta | 36-28 | WATANABE Keiichi |
| NAKAZAWA Junichi | 44-20 | WATANABE Keiichi |
| KATORI Michihiro | 39-25 | WATANABE Keiichi |
| WATANABE Keiichi | 37-27 | TAYAMA Tsubasa |
| WATANABE Keiichi | 46-18 | HADA Jun |
| KOBAYASHI Manabu | won against | WATANABE Keiichi |
| WATANABE Keiichi | 45-19 | ICHIHARA Yuji |
| WATANABE Keiichi | 53-11 | GOTO Masahiro |
| KAMIKURA Daisuke | 49-15 | WATANABE Keiichi |
| KIKUCHI Takafumi | 38-26 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | MATSUMOTO Juna |
| HIEDA Shigemasa | 48-16 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | HADA Jun |
| HANAZAKI Hideo | 38-26 | WATANABE Keiichi |
| SOUDA Shun | 34-30 | WATANABE Keiichi |
| NAKAZAWA Junichi | 42-22 | WATANABE Keiichi |
| MATSUZAWA Masa | 45-19 | WATANABE Keiichi |
| ESAKI Yuta | 34-30 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | NISHIO Hakudo |
| WATANABE Keiichi | 38-26 | KOSHINO Kazuhiko |
| KITANO Takumi | 39-25 | WATANABE Keiichi |
| WATANABE Keiichi | 43-21 | DEMACHI Koichiro |
| HISHIYAMA Yuichi | 57-07 | WATANABE Keiichi |
| HAMA Kouta | 54-10 | WATANABE Keiichi |
| GOTO Masahiro | 35-29 | WATANABE Keiichi |
| TAKAHASHI Hisashi | 34-30 | WATANABE Keiichi |
| OKUDA Tsuyoshi | 33-31 | WATANABE Keiichi |
| WATANABE Keiichi | 40-24 | ISA Atsuto |
| WATANABE Keiichi | 39-25 | OHUCHI Miyuki |
| WATANABE Keiichi | 33-31 | INAKAWA Shinju |
| WATANABE Keiichi | 35-29 | SUZUKI Kenji |
| HISHIYAMA Yuichi | 43-21 | WATANABE Keiichi |
| WATANABE Keiichi | 42-22 | TAYAMA Tsubasa |
| NARUMI Hisatoshi | 43-21 | WATANABE Keiichi |
| TANAKA Shuntaro | 45-19 | WATANABE Keiichi |
| WATANABE Keiichi | 42-22 | TAMURA Masanori |
| WATANABE Keiichi | 49-15 | KITANO Takumi |
| WATANABE Keiichi | 34-30 | NARUMI Hisatoshi |
| SATANI Tetsu | 52-12 | WATANABE Keiichi |
| ISHIZAKI Hikaru | 40-24 | WATANABE Keiichi |
| WATANABE Keiichi | 39-25 | KAWARADA Seiji |
| TANAKA Atsushi | 42-22 | WATANABE Keiichi |
| TAKEDA Kyoko | 43-21 | WATANABE Keiichi |
| MIYAZAWA Masuyama | 38-26 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | NARUMI Hisatoshi |
| WATANABE Keiichi | 46-18 | SATOMI Takashi |
| WATANABE Keiichi | 33-31 | SHINOHARA Ryo |
| WATANABE Keiichi | 37-27 | ISHIKAWA Akira |
| NAGAO Hiroto | 40-24 | WATANABE Keiichi |
2013-12-28: 1_Mito_endurance_open(Japan)
2013-12-23: 5_Mito_dragon_games(Japan)
2013-12-08: 149_Nagareyama_open(Japan)
2013-12-01: 22_Kawasaki_open(Japan)
2013-10-26: 82_Mito_meeting(Japan)
2013-10-26: 83_Mito_meeting(Japan)
2013-09-30: 2013_Yokohama_open(Japan)
2013-09-15: 148_Nagareyama_open(Japan)
2013-07-20: 41_Tatebayashi_open(Japan)
2013-06-02: 21_Kawasaki_open(Japan)
2013-04-29: 78_Mito_meeting_youth(Japan)
2013-01-13: 144_Nagareyama_open(Japan)
2013-01-03: Shinagawa_open_2013(Japan)
| WATANABE Keiichi | 39-25 | HAMA Masayuki |
| NAKAMURA Keiko | 47-17 | WATANABE Keiichi |
| HAMA Kouta | 38-26 | WATANABE Keiichi |
| WATANABE Keiichi | 42-22 | KOBAYASHI Manabu |
| WATANABE Keiichi | 34-30 | SUZUKI Keinosuke |
| WATANABE Keiichi | 37-27 | OKUDA Tsuyoshi |
| WATANABE Keiichi | 45-19 | IZUMI Takashi |
| WATANABE Keiichi | 64-00 | HAMA Masayuki |
| NAKAMURA Keiko | 47-17 | WATANABE Keiichi |
| HAMA Kouta | 34-30 | WATANABE Keiichi |
| KOBAYASHI Manabu | 34-30 | WATANABE Keiichi |
| WATANABE Keiichi | 48-16 | SUZUKI Keinosuke |
| OKUDA Tsuyoshi | 59-05 | WATANABE Keiichi |
| IZUMI Takashi | 44-20 | WATANABE Keiichi |
| IZUMI Takashi | 39-25 | WATANABE Keiichi |
| OKUDA Tsuyoshi | 44-20 | WATANABE Keiichi |
| ASAHINA Satoshi | 52-12 | WATANABE Keiichi |
| IZUMI Takashi | 52-12 | WATANABE Keiichi |
| OSHIMIZU Takanori | 40-24 | WATANABE Keiichi |
| DEMACHI Koichiro | 51-13 | WATANABE Keiichi |
| YAMAKAWA Takashi | 49-15 | WATANABE Keiichi |
| TOMI Kazuko | 35-29 | WATANABE Keiichi |
| WATANABE Keiichi | 39-25 | TAKIGAWA Mitsuaki |
| TAKAHASHI Hisashi | 50-14 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | TAYAMA Tsubasa |
| WATANABE Keiichi | 53-11 | OCHIAI Naofumi |
| OSATO Suguru | 33-31 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | SUGUWARA Kiyoshi |
| NARUMI Hisatoshi | 56-08 | WATANABE Keiichi |
| IZUMI Takashi | 34-30 | WATANABE Keiichi |
| IZUMI Takashi | 44-20 | WATANABE Keiichi |
| WATANABE Keiichi | 38-26 | IZUMI Takashi |
| IZUMI Takashi | 56-08 | WATANABE Keiichi |
| IZUMI Takashi | 53-11 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | HAMA Masayuki |
| WATANABE Keiichi | 50-14 | HAMA Kouta |
| WATANABE Keiichi | 37-27 | IZUMI Takashi |
| WATANABE Keiichi | 50-14 | HAMA Kouta |
| IZUMI Takashi | 42-22 | WATANABE Keiichi |
| HAMA Masayuki | 44-20 | WATANABE Keiichi |
| WATANABE Keiichi | 40-24 | IZUMI Takashi |
| SATOMI Takashi | 32-32 | WATANABE Keiichi |
| WATANABE Keiichi | 38-26 | ASAKAWA Takuya |
| YOKOUCHI Yuji | 50-14 | WATANABE Keiichi |
| WATANABE Keiichi | 36-28 | URANO Kento |
| WATANABE Keiichi | 52-12 | TAYAMA Tsubasa |
| HISHIYAMA Yuichi | 50-14 | WATANABE Keiichi |
| WATANABE Keiichi | 46-18 | ICHIHARA Yuji |
| WATANABE Keiichi | 45-19 | HADA Jun |
| YUUKI Kousei | 40-24 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | TAYAMA Tsubasa |
| MURAKAMI Takeshi | 37-27 | WATANABE Keiichi |
| WATANABE Keiichi | 46-18 | HAIJIMA Mitsuya |
| URUSHIHARA Kazuhiro | 42-22 | WATANABE Keiichi |
| MATSUMOTO Makoto | 36-28 | WATANABE Keiichi |
| SHIBASAKI Lily | 36-28 | WATANABE Keiichi |
| DEMACHI Koichiro | 36-28 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | NARUMI Hisatoshi |
| WATANABE Keiichi | 36-28 | OCHIAI Naofumi |
| NODA Bintatsu | 39-25 | WATANABE Keiichi |
| WATANABE Keiichi | 48-16 | KITAJIMA Keigo |
| MATSUZAWA Atsushi | 41-23 | WATANABE Keiichi |
| TSUCHIYA Shotaro | 49-15 | WATANABE Keiichi |
| MIYAZAWA Masuyama | 54-10 | WATANABE Keiichi |
| TAYAMA Tsubasa | 44-20 | WATANABE Keiichi |
| WATANABE Keiichi | 43-21 | KATO Tomihiro |
| WATANABE Keiichi | 56-08 | KINOSHITA Tsutomu |
| NAGAO Hiroto | 41-23 | WATANABE Keiichi |
| WAKIMOTO Naoyuki | 46-18 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | IZUMI Takashi |
| OHTAKE Kosuke | 51-13 | WATANABE Keiichi |
| TOMI Kazuko | 43-21 | WATANABE Keiichi |
| WATANABE Keiichi | 36-28 | ABE Yura |
| OHMORI Keita | 52-12 | WATANABE Keiichi |
| WATANABE Keiichi | 43-21 | OCHIAI Naofumi |
| ICHIHARA Yuji | 50-14 | WATANABE Keiichi |
| SHINAGAWA Yukinobu | 41-23 | WATANABE Keiichi |
| TAKAHASHI Hisashi | 35-29 | WATANABE Keiichi |
| TAKAHASHI Kenji | 43-21 | WATANABE Keiichi |
| WATANABE Keiichi | 36-28 | OCHIAI Naofumi |
| WATANABE Keiichi | 47-17 | YAHABA Hideki |
| TAKAHASHI Shiu | 33-31 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | ISHIKAWA Akira |
| FUNATSU Asuka | 34-30 | WATANABE Keiichi |
2012-12-08: 79_Chiyarenshi_open(Japan)
2012-12-02: 20_Kawasaki_open(Japan)
2012-11-24: StarCamp_2012(Japan)
2012-10-13: 78_Chiyarenshi_open(Japan)
2012-10-06: 1_team_Shinagawa_open(Japan)
2012-09-16: 6_attached_secant_open(Japan)
2012-08-26: 79_Kanagawa_open(Japan)
2012-07-28: 16_period_Mito_Jishi_games(Japan)
2012-07-22: 140_Nagareyama_open(Japan)
2012-04-14: 75_Chiyarenshi_open(Japan)
2012-04-08: 138_Nagareyama_open(Japan)
2012-02-26: 77_Kanagawa_open(Japan)
2012-02-11: 74_Chiyarenshi(Japan)
2012-02-04: 2012_Tokyo_expert_game(Japan)
2012-01-08: 76_Kanagawa_open(Japan)
2012-01-03: Shinagawa_open_2012(Japan)
| OHTAKE Kosuke | 36-28 | WATANABE Keiichi |
| NISHIYAMA Momoko | 35-29 | WATANABE Keiichi |
| WATANABE Keiichi | 38-26 | SATO Ryu |
| YUUKI Kousei | 42-22 | WATANABE Keiichi |
| WATANABE Keiichi | 38-26 | NAGAO Kazuki |
| TSUCHIYA Shotaro | 42-22 | WATANABE Keiichi |
| NAKANO Jo | 35-29 | WATANABE Keiichi |
| NARUMI Hisatoshi | 46-18 | WATANABE Keiichi |
| KADOKURA Taya | 34-30 | WATANABE Keiichi |
| WATANABE Keiichi | 37-27 | TANBO Atsushu |
| TSUCHIYA Ryosuke | 34-30 | WATANABE Keiichi |
| WATANABE Keiichi | 56-08 | SAKATA Hiroto |
| HORIUCHI Keiko | 33-31 | WATANABE Keiichi |
| UMEZAWA Yoshinori | 43-21 | WATANABE Keiichi |
| HANAZATO Michio | 32-32 | WATANABE Keiichi |
| SASAKI Sadayuki | 46-18 | WATANABE Keiichi |
| NAGAO Hiroto | 35-29 | WATANABE Keiichi |
| AIHARA Shigeaki | 35-29 | WATANABE Keiichi |
| FUJIWARA Taku | 37-27 | WATANABE Keiichi |
| WATANABE Keiichi | 44-20 | KURIHARA Aru |
| KANEKO Kodai | 37-27 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | TAKAHASHI Kenji |
| WATANABE Keiichi | 36-28 | SHINOHARA Jun |
| NISHIO Hakudo | 37-27 | WATANABE Keiichi |
| ASOU Daisuke | 35-29 | WATANABE Keiichi |
| KURACHI Takayuki | 34-30 | WATANABE Keiichi |
| TOMOTA Yusuke | 34-30 | WATANABE Keiichi |
| WATANABE Keiichi | 36-28 | KOBAYASHI Manabu |
| SHINOHARA Jun | 36-28 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | OHTAKE Kosuke |
| IZUMI Takashi | 33-31 | WATANABE Keiichi |
| YUUKI Kousei | 34-30 | WATANABE Keiichi |
| EBIHARA Yusuke | 35-29 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | OHE Yoshimaru |
| YABE Uma | 44-20 | WATANABE Keiichi |
| IKEDA Atsuhiko | 32-32 | WATANABE Keiichi |
| SAWAKI Yusuke | 46-18 | WATANABE Keiichi |
| GOTO Masahiro | 41-23 | WATANABE Keiichi |
| TATSUMI-IIJIMA Yukiko | 64-00 | WATANABE Keiichi |
| WATANABE Keiichi | 37-27 | MOGAKI Junichi |
| IZUMI Takashi | 55-09 | WATANABE Keiichi |
| WATANABE Keiichi | 58-06 | YUUKI Kokujin |
| WATANABE Keiichi | 48-16 | YUUKI Kousei |
| HIEDA Shigemasa | 40-24 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | OCHIAI Naofumi |
| ABE Yura | 47-17 | WATANABE Keiichi |
| WATANABE Keiichi | 37-27 | ICHIHARA Yuji |
| NARUMI Hisatoshi | 50-14 | WATANABE Keiichi |
| TAKAHASHI Shiu | 47-17 | WATANABE Keiichi |
| WATANABE Keiichi | 36-28 | FUNATSU Asuka |
| KUNIO Yukihiro | 40-24 | WATANABE Keiichi |
| HASHIKAWA Techine | 36-28 | WATANABE Keiichi |
| SUGUWARA Kiyoshi | 36-28 | WATANABE Keiichi |
| WATANABE Keiichi | 42-22 | TAKIGAWA Mitsuaki |
| WATANABE Keiichi | 33-31 | NARUMI Hisatoshi |
| TAKIGAWA Mitsuaki | 48-16 | WATANABE Keiichi |
| WATANABE Keiichi | 53-11 | TOMONO Aimi |
| KOBAYASHI Makoto | won against | WATANABE Keiichi |
| HAIJIMA Mitsuya | 42-22 | WATANABE Keiichi |
| TAKAHASHI Hisashi | 51-13 | WATANABE Keiichi |
| WATANABE Keiichi | 52-12 | AMOU Kosuke |
| SUGUWARA Kiyoshi | 44-20 | WATANABE Keiichi |
| WATANABE Keiichi | 46-18 | YAHABA Hideki |
| MATSUYA Shinpei | 38-26 | WATANABE Keiichi |
| ISHIZAWA Naoki | 52-12 | WATANABE Keiichi |
| TAKIGAWA Mitsuaki | 62-02 | WATANABE Keiichi |
| WATANABE Keiichi | 41-23 | WADA Takeshi |
| WATANABE Keiichi | 35-29 | IKEDA Yuki |
| WATANABE Keiichi | 40-23 | TAKAHASHI Hisashi |
| ASAHINA Satoshi | 36-28 | WATANABE Keiichi |
| KAMIKURA Daisuke | 33-31 | WATANABE Keiichi |
| TASAKA Kanichiro | 44-20 | WATANABE Keiichi |
| WATANABE Keiichi | 46-17 | OHUCHI Yasuhiro |
| WATANABE Keiichi | 39-25 | IIJIMA Takamune |
| NAGASAKI Hidekazu | 36-28 | WATANABE Keiichi |
| KANEKO Kodai | 37-27 | WATANABE Keiichi |
| WATANABE Keiichi | 38-25 | KATSURA Hisatoshi |
| TASAKA Kanichiro | 40-24 | WATANABE Keiichi |
| ISHIKAWA Akira | won against | WATANABE Keiichi |
| TANAKA Shuntaro | 46-18 | WATANABE Keiichi |
| WATANABE Keiichi | 49-15 | MIYAKOSHI Orita |
| GOTO Masahiro | 44-20 | WATANABE Keiichi |
| IWAZAWA Junya | 46-18 | WATANABE Keiichi |
| WATANABE Keiichi | 47-17 | OCHIAI Naofumi |
| KANEKO Takahiro | 38-26 | WATANABE Keiichi |
| MATSUDA Shoma | 39-25 | WATANABE Keiichi |
| WATANABE Keiichi | 41-23 | MATSURA Satoshi |
| IWAZAWA Junya | 35-29 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | KOIDE Satoshi |
| TAKADA Ryo | 46-18 | WATANABE Keiichi |
| SHINAGAWA Yukinobu | 33-31 | WATANABE Keiichi |
| WATANABE Keiichi | 48-16 | SHINOHARA Ryo |
2011-12-23: 136_Nagareyama_open(Japan)
2011-12-18: 68_Mito_meeting(Japan)
2011-12-10: 73_Chiyarenshi(Japan)
2011-11-13: 135_Nagareyama_open(Japan)
2011-11-06: 75_Kanagawa_open(Japan)
2011-10-23: 66_Mito_meeting(Japan)
2011-09-18: 7_Chiba_open(Japan)
2011-09-04: 74_Kanagawa_open(Japan)
2011-07-17: 39_Japan_Champ(Japan)
2011-07-10: 132_Nagareyama_open(Japan)
2011-07-09: 76_Shinagawa_open(Japan)
2011-06-19: 39_Japan_champ_Niigata_prelim(Japan)
2011-05-29: 32_Meijin(Japan)
2011-05-22: 28_Tatebayashi_open(Japan)
2011-05-15: 131_Nagareyama_open(Japan)
2011-04-30: 130_Nagareyama_open(Japan)
2011-04-29: 24_Kanto_social_choosing(Japan)
2011-03-05: 75_Shinagawa_open(Japan)
2011-01-30: Tokyo_expert_games(Japan)
2011-01-22: Tenno_expert_games(Japan)
2011-01-16: 128_Nagareyama_open(Japan)
2011-01-15: 51_King_state(Japan)
2011-01-08: 69_Chiyarenshi(Japan)
| WATANABE Keiichi | 43-21 | TAKADA Ryo |
| SHINAGAWA Yukinobu | 44-20 | WATANABE Keiichi |
| TSUCHIYA Ryosuke | 36-28 | WATANABE Keiichi |
| MABUCHI Yuta | 45-19 | WATANABE Keiichi |
| WATANABE Keiichi | 39-25 | HAYASAKA Toshie |
| WATANABE Keiichi | 64-00 | AYO Yasuo |
| HAYASAKA Toshie | 49-15 | WATANABE Keiichi |
| IZUMI Takashi | 37-27 | WATANABE Keiichi |
| WATANABE Keiichi | 45-19 | FUNATSU Asuka |
| WATANABE Keiichi | 34-30 | TANAKA Atsushi |
| WATANABE Keiichi | 64-00 | AYO Yasuo |
| WATANABE Keiichi | 42-21 | OHTAKE Kosuke |
| WATANABE Keiichi | 39-25 | OHUCHI Yasuhiro |
| WATANABE Keiichi | 37-27 | KAWAGUCHI Hayato |
| KIMURA Yuto | 36-28 | WATANABE Keiichi |
| HISHIYAMA Yuichi | 42-22 | WATANABE Keiichi |
| KANEKO Kodai | 43-21 | WATANABE Keiichi |
| OCHIAI Naofumi | 48-16 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | KURAHASHI Satoshi |
| WATANABE Keiichi | 61-03 | KOTANI Rumi |
| WATANABE Keiichi | 37-27 | ISHIKAWA Akira |
| HAYASAKA Toshie | won against | WATANABE Keiichi |
| MURAKAMI Takeshi | 55-09 | WATANABE Keiichi |
| TESAKI Satoru | 46-18 | WATANABE Keiichi |
| YOSHIDA Miki | 39-25 | WATANABE Keiichi |
| NISHIMURA Tatsuyuki | 44-20 | WATANABE Keiichi |
| TAYAMA Tsubasa | 32-32 | WATANABE Keiichi |
| KAMIKURA Daisuke | 38-26 | WATANABE Keiichi |
| NAGASHIMA Kazuhito | 41-23 | WATANABE Keiichi |
| TAKAHASHI Shiu | 42-22 | WATANABE Keiichi |
| TSUCHIYA Ryosuke | 42-22 | WATANABE Keiichi |
| NAGASHIMA Kazuhito | 51-13 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | ABE Ryuji |
| WATANABE Keiichi | 33-31 | KOBAYASHI Makoto |
| IKEDA Yuki | 33-31 | WATANABE Keiichi |
| HONMA Yosuke | 46-18 | WATANABE Keiichi |
| OKUDA Tsuyoshi | 43-21 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | ISHIKAWA Akira |
| NARUMI Hisatoshi | 48-16 | WATANABE Keiichi |
| WATANABE Keiichi | 38-26 | TOKI Hidenobu |
| ITAGAKI Kenichi | 50-14 | WATANABE Keiichi |
| WATANABE Keiichi | 36-28 | TASAKA Kanichiro |
| WATANABE Keiichi | 49-15 | KANEKO Kodai |
| OHTAKE Kosuke | won against | WATANABE Keiichi |
| KOZUKA Katsuhiko | won against | WATANABE Keiichi |
| KANOU Eishi | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | NAKAYAMA Takahiro |
| WATANABE Keiichi | won against | MATSUMOTO Kazunori |
| MATSUYA Shinpei | won against | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | MAEHIRA Yusuke |
| WATANABE Keiichi | 51-13 | HAIJIMA Mitsuya |
| FUNATSU Asuka | 44-20 | WATANABE Keiichi |
| IWATA Hiroyuki | 36-28 | WATANABE Keiichi |
| WATANABE Keiichi | 45-19 | KOBAYASHI Manabu |
| TAKANASHI Yusuke | 44-20 | WATANABE Keiichi |
| WATANABE Keiichi | 47-17 | UENOMACHI Natsuko |
| SHIBATA Yuto | 40-24 | WATANABE Keiichi |
| WATANABE Keiichi | 47-17 | OHTAKE Kosuke |
| HONMA Yosuke | won against | WATANABE Keiichi |
| WATANABE Keiichi | 38-25 | TASAKA Kanichiro |
| AIHARA Shigeaki | 45-19 | WATANABE Keiichi |
| WATANABE Keiichi | 41-23 | OIKAWA Shinichi |
| KANDA Yoshihiro | 42-22 | WATANABE Keiichi |
| WATANABE Keiichi | 62-02 | IWASAKA Ryuji |
| UMEZAWA Yoshinori | 35-29 | WATANABE Keiichi |
| KANAZAWA Kota | won against | WATANABE Keiichi |
| TAKENOBU Kosuke | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | SHINOHARA Chiaki |
| YAMAGATA Naohiro | won against | WATANABE Keiichi |
| YOSHIYUKI Suganuma | won against | WATANABE Keiichi |
| TANAKA Irie | won against | WATANABE Keiichi |
| KANAZAWA Kota | 38-26 | WATANABE Keiichi |
| KINOSHITA Tsutomu | 41-23 | WATANABE Keiichi |
| WATANABE Keiichi | 43-21 | KAWASAKI Akito |
| WATANABE Keiichi | 36-28 | KINOSHITA Takao |
| YAMAMOTO Kunihiro | 35-29 | WATANABE Keiichi |
| WATANABE Keiichi | 37-27 | HADA Jun |
| MIYAJI Hiroaki | 41-23 | WATANABE Keiichi |
| TAKAOKA Shohei | 33-31 | WATANABE Keiichi |
| WATANABE Keiichi | 53-11 | KATORI Michihiro |
| HONMA Yosuke | 33-31 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | HAIJIMA Mitsuya |
| WATANABE Keiichi | 51-13 | NAKAMURA Shinjiro |
| AIHARA Shigeaki | 54-10 | WATANABE Keiichi |
| WATANABE Keiichi | 52-12 | KOBAYASHI Makoto |
| WATANABE Keiichi | 33-31 | EBIHARA Yusuke |
| WATANABE Keiichi | 38-26 | IWAKURA Hiroaki |
| AIHARA Shigeaki | 38-26 | WATANABE Keiichi |
| TAKIGAWA Mitsuaki | 39-25 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | KOYAMA Kotoe |
| IKEDA Atsuhiko | 38-26 | WATANABE Keiichi |
| WATANABE Keiichi | 37-27 | HOSADA Masahiro |
| WATANABE Keiichi | 39-24 | TAKEDA Kyoko |
| TANIZAWA Misato | 34-30 | WATANABE Keiichi |
| SHINOHARA Chiaki | 34-30 | WATANABE Keiichi |
| NOBUKAWA Hiroki | 36-28 | WATANABE Keiichi |
| MATSUYA Shinpei | 35-29 | WATANABE Keiichi |
| TAKIGAWA Mitsuaki | 34-30 | WATANABE Keiichi |
| WATANABE Keiichi | won against | IWAKURA Hiroaki |
| TATSUMI-IIJIMA Yukiko | 40-24 | WATANABE Keiichi |
| TANAKA Irie | 34-30 | WATANABE Keiichi |
| KOZUKA Katsuhiko | 40-24 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | SHINOHARA Jun |
| WATANABE Keiichi | 39-25 | SHINOHARA Chiaki |
| WATANABE Keiichi | 35-29 | KOBAYASHI Oh |
| ISHIKAWA Akira | 34-30 | WATANABE Keiichi |
| WATANABE Keiichi | 38-26 | KATO Tomihiro |
| TAKIGAWA Mitsuaki | 44-20 | WATANABE Keiichi |
| KAWABATA Seiji | 37-27 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | MATSUDA Shoma |
| WATANABE Keiichi | 40-24 | ISHIKAWA Akira |
| SATO Koichiro | 40-24 | WATANABE Keiichi |
| FUNATSU Asuka | 41-23 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | TODA Tomoya |
| WATANABE Keiichi | 43-21 | KOBAYASHI Makoto |
| NAKAJIMA Tetsuya | 41-23 | WATANABE Keiichi |
| NARUMI Hisatoshi | 38-26 | WATANABE Keiichi |
| WATANABE Keiichi | 40-24 | KOBAYASHI Manabu |
| NAGAO Hiroto | 46-18 | WATANABE Keiichi |
| WATANABE Keiichi | 37-27 | ISHIKAWA Akira |
| WATANABE Keiichi | 33-31 | KOSHINO Kazuhiko |
| WATANABE Keiichi | 35-29 | KOSHINO Kazuhiko |
| HISHIYAMA Yuichi | 41-23 | WATANABE Keiichi |
| KOIDE Satoshi | 38-26 | WATANABE Keiichi |
| WATANABE Keiichi | 38-26 | TOKI Hidenobu |
| KAWAGUCHI Hayato | 39-25 | WATANABE Keiichi |
2010-12-23: 127_Nagareyama_open(Japan)
2010-12-12: 59_Niigata_conference(Japan)
2010-12-05: 16_Kawasaki_open(Japan)
2010-12-04: 73_Shinagawa_open(Japan)
2010-11-27: 64_Mito_meeting(Japan)
2010-11-21: 126_Nagareyama_open(Japan)
2010-11-20: 49_King_state(Japan)
2010-11-13: 67_Chiyarenshi(Japan)
2010-10-10: 6_Chiba_open(Japan)
2010-10-09: 66_Chiyarenshi(Japan)
2010-10-03: 12_Yamanashi_open(Japan)
2010-10-02: 71_Shinagawa_open(Japan)
2010-09-26: 24_Tatebayashi_open(Japan)
2010-09-25: 9_area_resistance(Japan)
2010-09-20: 3_Mito_morningBells_games(Japan)
2010-09-04: 70_Shinagawa_open(Japan)
2010-08-14: 64_Chiyarenshi(Japan)
2010-08-08: 124_Nagareyama_open(Japan)
2010-08-07: 69_Shinagawa_open(Japan)
2010-08-01: 1_Kanagawa_Katsuhu_open(Japan)
2010-07-31: 13_period_Mito_Silver_Jishi(Japan)
2010-07-24: 40_King_State(Japan)
2010-07-18: CH_Japan(Japan)
2010-06-27: 38_Japan_Champ_Tokyo_prelim_2(Japan)
2010-06-19: 45_King_state(Japan)
2010-06-13: 38_Japan_Champ_Tokyo_prelim_1(Japan)
2010-06-12: 62_Chiyarenshi(Japan)
2010-06-06: 15_Kawasaki_open(Japan)
2010-05-15: 44_King_state(Japan)
2010-05-04: 2_period_Mito_morning_games(Japan)
2010-04-25: 60_Mito_meeting(Japan)
2010-04-17: 34_King_state_special(Japan)
2010-04-11: 121_Nagareyama_open(Japan)
2010-04-10: 60_Chiyarenshi(Japan)
2010-04-03: 65_Shinagawa_open(Japan)
2010-03-28: 39_King_State(Japan)
2010-03-22: 20_Tatebayashi_open(Japan)
2010-03-21: 31_Meijin(Japan)
2010-03-14: 120_Nagareyama_open(Japan)
2010-03-13: 59_Chiyarenshi(Japan)
2010-03-06: 64_Shinagawa_open(Japan)
2010-02-20: 42_King_state(Japan)
2010-01-24: 2010_Tokyo_expert_game(Japan)
2010-01-16: 41_King_state(Japan)
2010-01-09: 57_Chiyarenshi(Japan)
2010-01-03: Shinagawa_open_2010(Japan)
| IWAKURA Hiroaki | 39-25 | WATANABE Keiichi |
| WATANABE Keiichi | 50-14 | KATORI Michihiro |
| ITO Junya | 43-21 | WATANABE Keiichi |
| WATANABE Keiichi | 40-24 | TATENO Ryuuji |
| KOSHINO Kazuhiko | 50-14 | WATANABE Keiichi |
| WATANABE Keiichi | 51-13 | IWASAKA Ryuji |
| WATANABE Keiichi | 33-31 | HARII Mitsu |
| SASAKI Sadayuki | 51-13 | WATANABE Keiichi |
| TAKIZAWA Masaki | 61-03 | WATANABE Keiichi |
| WATANABE Keiichi | 40-24 | NOCHI Hinobota |
| WATANABE Keiichi | 43-21 | IWANO Shin |
| NARUMI Hisatoshi | 54-10 | WATANABE Keiichi |
| TAKAHASHI Shiu | 33-31 | WATANABE Keiichi |
| KOBAYASHI Manabu | 37-27 | WATANABE Keiichi |
| TANAKA Shuntaro | 53-11 | WATANABE Keiichi |
| WATANABE Keiichi | 52-12 | INOUE Masaru |
| TANAKA Atsushi | 35-29 | WATANABE Keiichi |
| WATANABE Keiichi | 40-24 | KOBAYASHI Makoto |
| TOKI Hidenobu | 37-27 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | IWAKURA Hiroaki |
| TATSUMI-IIJIMA Yukiko | 36-28 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | HISHIYAMA Yuichi |
| WATANABE Keiichi | 34-30 | OHUCHI Syou |
| KINOSHITA Takao | 34-30 | WATANABE Keiichi |
| ISAKA Tomoaki | 47-17 | WATANABE Keiichi |
| WATANABE Keiichi | 64-00 | ANDO Tomoyuki |
| IZUMI Takashi | 53-11 | WATANABE Keiichi |
| EBIHARA Yusuke | 35-29 | WATANABE Keiichi |
| FUNATSU Asuka | 50-14 | WATANABE Keiichi |
| WATANABE Keiichi | 42-22 | YOSHIKAWA Takeshi |
| WATANABE Keiichi | 36-28 | SATO Reiko |
| WATANABE Keiichi | 51-13 | YOSHIKAWA Kazumi |
| WATANABE Keiichi | 55-09 | KATORI Michihiro |
| NAGANO Yasushi | 33-31 | WATANABE Keiichi |
| ENOMOTO Yasuhiro | 41-23 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | KIKUCHI Gou |
| IWAKURA Hiroaki | 34-30 | WATANABE Keiichi |
| OHTAKE Kosuke | 35-29 | WATANABE Keiichi |
| WATANABE Keiichi | 37-27 | ITO Junya |
| TOKI Hidenobu | 40-24 | WATANABE Keiichi |
| NARUMI Hisatoshi | 36-28 | WATANABE Keiichi |
| TOKI Yugo | 36-28 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | SHINOHARA Chiaki |
| WATANABE Keiichi | 40-23 | YOSHIKAWA Takeshi |
| WATANABE Keiichi | won against | KAWAGUCHI Hayato |
| WATANABE Keiichi | 41-23 | TAYAMA Tsubasa |
| WATAHIKI Kenta | 38-26 | WATANABE Keiichi |
| WATANABE Keiichi | 44-20 | TAKIGAWA Mitsuaki |
| WATANABE Keiichi | 42-22 | TAKAHASHI Shiu |
| YOSHIDA Ryota | 54-10 | WATANABE Keiichi |
| WAKIMOTO Naoyuki | 43-21 | WATANABE Keiichi |
| NARUMI Hisatoshi | 41-23 | WATANABE Keiichi |
| IWAKURA Hiroaki | 33-31 | WATANABE Keiichi |
| WATANABE Keiichi | 40-24 | TOKI Hidenobu |
| ASAHINA Satoshi | 39-25 | WATANABE Keiichi |
| KAWAGUCHI Hayato | 37-27 | WATANABE Keiichi |
| OHMORI Keita | 37-27 | WATANABE Keiichi |
| WATANABE Keiichi | 44-20 | IKEDA Atsuhiko |
| WATANABE Keiichi | 41-23 | MORIMOTO Baidu |
| IZUMI Shinichi | 34-30 | WATANABE Keiichi |
| NODA Bintatsu | 40-24 | WATANABE Keiichi |
| WATANABE Keiichi | 48-16 | KOYAMA Yoshiteru |
| WATANABE Keiichi | 41-23 | TAKEDA Kyoko |
| KOMAGATA Masayuki | 34-30 | WATANABE Keiichi |
| NAKAJIMA Tetsuya | 34-30 | WATANABE Keiichi |
| WATANABE Keiichi | 37-27 | NARUMI Hisatoshi |
| ISHIKAWA Akira | 46-18 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | TAKIGAWA Mitsuaki |
| WATANABE Keiichi | won against | YAMAMOTO Kunihiro |
| URUSHIHARA Kazuhiro | 39-25 | WATANABE Keiichi |
| WATANABE Keiichi | 36-28 | KOITABASHI Ryoma |
| WATANABE Keiichi | 39-24 | OHUCHI Yasuhiro |
| WATANABE Keiichi | 34-30 | KOSHINO Kazuhiko |
| TAKIGAWA Mitsuaki | 35-29 | WATANABE Keiichi |
| NODA Bintatsu | 40-24 | WATANABE Keiichi |
| KAMEDA Ryota | 36-28 | WATANABE Keiichi |
| SAWAKI Yusuke | 41-23 | WATANABE Keiichi |
| YAMAKAWA Takashi | 38-25 | WATANABE Keiichi |
| SATAKE Yosuke | 47-17 | WATANABE Keiichi |
| KOBAYASHI Oh | 41-23 | WATANABE Keiichi |
| YAMAMOTO Kunihiro | 43-21 | WATANABE Keiichi |
| WATANABE Keiichi | 49-15 | KINOSHITA Takao |
| AKIYAMA Takashi | 36-28 | WATANABE Keiichi |
| NAKAI Kota | 38-26 | WATANABE Keiichi |
| WATANABE Keiichi | 48-16 | TAKEHIRO Kenji |
| SATO Takuma | 39-25 | WATANABE Keiichi |
| WATANABE Keiichi | 55-09 | SHIMASAKI Mami |
| ISHIKAWA Akira | 34-30 | WATANABE Keiichi |
| WATANABE Keiichi | 41-23 | HISHIYAMA Yuichi |
| WATANABE Keiichi | 34-30 | TAKIGAWA Mitsuaki |
| NAKAJIMA Tetsuya | 38-26 | WATANABE Keiichi |
| KOSHINO Kazuhiko | 33-31 | WATANABE Keiichi |
| NARUMI Hisatoshi | 37-27 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | SHINOHARA Ryo |
| IWAKURA Hiroaki | 35-29 | WATANABE Keiichi |
| WATANABE Keiichi | 36-28 | KAWABATA Seiji |
| WATANABE Keiichi | 37-27 | KAWAGUCHI Hayato |
| HANADA Fumihito | 35-29 | WATANABE Keiichi |
| NARUMI Hisatoshi | 39-25 | WATANABE Keiichi |
| SANO Joichiro | 41-23 | WATANABE Keiichi |
| WATANABE Keiichi | 38-26 | KOBAYASHI Manabu |
| GOTO Masahiro | 33-31 | WATANABE Keiichi |
| OHNO Atsuko | 35-29 | WATANABE Keiichi |
| OHTAKE Kosuke | 33-31 | WATANABE Keiichi |
| ASOU Daisuke | 37-27 | WATANABE Keiichi |
| SATO Yutaka | 37-27 | WATANABE Keiichi |
| NARUMI Hisatoshi | 36-28 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | KOBAYASHI Manabu |
| SUZUKI Motoyuki | 34-30 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | MATSUYA Shinpei |
| NAGAO Hiroto | 44-20 | WATANABE Keiichi |
| YAMAZAKI Nobuyuki | 48-16 | WATANABE Keiichi |
| TAYAMA Tsubasa | 37-27 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | OGAWA Ami |
| WATANABE Keiichi | 37-27 | YAMAGA Shinji |
| WATANABE Keiichi | 44-20 | NARUMI Hisatoshi |
| NAGASHIMA Kazuhito | 36-28 | WATANABE Keiichi |
| KOBAYASHI Manabu | 47-17 | WATANABE Keiichi |
| WATANABE Keiichi | 49-15 | KATO Tomihiro |
| OKUDA Tsuyoshi | 47-17 | WATANABE Keiichi |
| WATANABE Keiichi | 37-27 | ISAKA Tomoaki |
| IZUMI Takashi | 37-27 | WATANABE Keiichi |
| WATANABE Keiichi | 36-27 | SHINAGAWA Yukinobu |
| WATANABE Keiichi | 36-28 | SUZUKI Yuta |
| WATANABE Keiichi | 38-25 | KOZUKA Katsuhiko |
| MATSUYA Shinpei | 38-26 | WATANABE Keiichi |
| NAKAJIMA Tetsuya | 41-22 | WATANABE Keiichi |
| MURAKAMI Takeshi | 40-24 | WATANABE Keiichi |
| WATANABE Keiichi | won against | SATAKE Yosuke |
| KOZUKA Katsuhiko | won against | WATANABE Keiichi |
| AIHARA Shigeaki | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | KURAHASHI Satoshi |
| YAMAZAKI Nobuyuki | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | IDE Akiko |
| IWATA Hiroyuki | 33-31 | WATANABE Keiichi |
| TOKI Hidenobu | 37-27 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | SHINOHARA Jun |
| ISHIKAWA Akira | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | TANAKA Irie |
| WATANABE Keiichi | 35-29 | IWAKURA Hiroaki |
| NAGASAKI Hidekazu | 37-27 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | SANO Yoko |
| TATSUMI-IIJIMA Yukiko | 41-23 | WATANABE Keiichi |
| KIUCHI Hideyuki | 40-24 | WATANABE Keiichi |
| KOSHINO Kazuhiko | 39-25 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | NAGAMATSU Ryota |
| NAGASAKI Hidekazu | 40-24 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | KOMAGATA Masayuki |
| WATAHIKI Kenta | 43-21 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | ISHIKAWA Akira |
| AKASHI Tomone | 41-23 | WATANABE Keiichi |
| WATANABE Keiichi | 36-28 | TONE Ryoutaro |
| WATANABE Keiichi | 41-23 | SHINAGAWA Yukinobu |
| WATANABE Keiichi | 36-28 | ASOU Daisuke |
| KOBAYASHI Kasa | 39-25 | WATANABE Keiichi |
| IWAKURA Hiroaki | won against | WATANABE Keiichi |
| GOTO Masahiro | won against | WATANABE Keiichi |
| TAKEDA Kyoko | 40-24 | WATANABE Keiichi |
| CUPIAL Milosz | 54-10 | WATANABE Keiichi |
| WATANABE Keiichi | 47-17 | INOUE Masaru |
| WATANABE Keiichi | 51-13 | KUNII Daisuke |
| MATSUMOTO Hiroyuki | 32-32 | WATANABE Keiichi |
| ISHIKAWA Akira | 33-31 | WATANABE Keiichi |
| SANO Yoko | 37-27 | WATANABE Keiichi |
| SATANI Tetsu | 38-26 | WATANABE Keiichi |
| KOBAYASHI Manabu | 40-24 | WATANABE Keiichi |
| NAGASAKI Hidekazu | won against | WATANABE Keiichi |
| WATANABE Keiichi | 36-28 | ISHIKAWA Akira |
| TSUKAMOTO Kazuma | 40-24 | WATANABE Keiichi |
| WATANABE Keiichi | 39-25 | OHTAKE Kosuke |
| OHUCHI Yasuhiro | 51-13 | WATANABE Keiichi |
| WATANABE Keiichi | 47-17 | KATO Tomihiro |
| WATANABE Keiichi | 44-20 | NAKAI Terawaki |
| IZUMI Takashi | 41-23 | WATANABE Keiichi |
| WATANABE Keiichi | 48-16 | KOBAYASHI Manabu |
| OHMORI Keita | 50-14 | WATANABE Keiichi |
| TANAKA Atsushi | 37-27 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | IZUMI Takashi |
| WATANABE Keiichi | 42-22 | KINOSHITA Takao |
| WATANABE Keiichi | 34-30 | AKITA Takuma |
| WATANABE Keiichi | 40-24 | KINOSHITA Tsutomu |
| OHTAKE Kosuke | 38-26 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | KOBAYASHI Manabu |
| TANIZAWA Misato | 38-26 | WATANABE Keiichi |
| NAKAJIMA Tetsuya | 44-20 | WATANABE Keiichi |
| ISHIKAWA Akira | 34-30 | WATANABE Keiichi |
| KOSHINO Kazuhiko | won against | WATANABE Keiichi |
| WATANABE Keiichi | 64-00 | SHIMIZU Shota |
| NAGAMATSU Ryota | 36-28 | WATANABE Keiichi |
| HAGIKURA Yutaka | 43-21 | WATANABE Keiichi |
| SANO Yoko | 38-26 | WATANABE Keiichi |
| WATANABE Keiichi | 46-18 | KOBAYASHI Makoto |
| SANO Yoko | 36-28 | WATANABE Keiichi |
| WATANABE Keiichi | 37-27 | KAWAGUCHI Yuuki |
| KOIDE Satoshi | 36-28 | WATANABE Keiichi |
| NARUMI Hisatoshi | 37-27 | WATANABE Keiichi |
| TOKI Yugo | 35-29 | WATANABE Keiichi |
| WATANABE Keiichi | 43-21 | UMEMURA Yuji |
| NAKAJIMA Tetsuya | 41-22 | WATANABE Keiichi |
| WATANABE Keiichi | 38-26 | SANO Yoko |
| WATANABE Keiichi | 34-30 | SHIMONOSONO Kozo |
| TANAKA Amane | 44-20 | WATANABE Keiichi |
| TATSUMI-IIJIMA Yukiko | 34-30 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | SHINOHARA Chiaki |
| SUZUKI Yuta | 36-28 | WATANABE Keiichi |
| AKASHI Tomone | 46-18 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | TOKI Hidenobu |
| WATANABE Keiichi | 36-27 | IWAKURA Hiroaki |
| WATANABE Keiichi | 35-29 | SAITO Aya |
| WATANABE Keiichi | 42-22 | YAMAMOTO Kunihiro |
| WATANABE Keiichi | 38-26 | SANO Yoko |
| NAGAMATSU Ryota | 35-29 | WATANABE Keiichi |
| URUSHIHARA Kazuhiro | 46-18 | WATANABE Keiichi |
| WATANABE Keiichi | 39-25 | ISA Atsuto |
| WATANABE Keiichi | 46-18 | OCHIAI Naofumi |
| WATANABE Keiichi | 64-00 | MAEHIRA Yusuke |
| NAKAJIMA Tetsuya | 64-00 | WATANABE Keiichi |
| WATANABE Keiichi | 64-00 | SHIMONOSONO Kozo |
| ITAGAKI Kenichi | 64-00 | WATANABE Keiichi |
| MATSUMOTO Hiroshi | 64-00 | WATANABE Keiichi |
| SAKAGUCHI Kazuhiro | 64-00 | WATANABE Keiichi |
| MIZUNO Keigo | 64-00 | WATANABE Keiichi |
| ITO Junya | 39-25 | WATANABE Keiichi |
| GOTO Masahiro | 37-27 | WATANABE Keiichi |
| WATANABE Keiichi | 38-26 | KOSHINO Kazuhiko |
| SANO Yoko | 42-22 | WATANABE Keiichi |
| FUNATSU Asuka | 44-20 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | OHUCHI Yasuhiro |
| IMOTO Wataru | 41-23 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | OHNO Atsuko |
| WATANABE Keiichi | 64-00 | UMEMURA Yuji |
| IWAKURA Hiroaki | 33-31 | WATANABE Keiichi |
| KAWAGUCHI Genki | 34-30 | WATANABE Keiichi |
| TOMINAGA Kenta | 37-27 | WATANABE Keiichi |
| WATANABE Keiichi | 37-27 | SHINOHARA Chiaki |
| SATANI Tetsu | 43-21 | WATANABE Keiichi |
| TOKI Yugo | 43-21 | WATANABE Keiichi |
| SANO Joichiro | 64-00 | WATANABE Keiichi |
| MIYAZAKI Yuji | 39-25 | WATANABE Keiichi |
| ISHIKAWA Akira | 41-23 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | SANO Yoko |
| WATANABE Keiichi | 64-00 | IIJIMA Takamune |
| NAGASAKI Hidekazu | 48-16 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | WATAHIKI Kenta |
| WATANABE Keiichi | 64-00 | TANIZAWA Misato |
| IIJIMA Takamune | 34-30 | WATANABE Keiichi |
| SANO Yoko | 43-21 | WATANABE Keiichi |
| KOSHINO Kazuhiko | 44-19 | WATANABE Keiichi |
| SANO Joichiro | 35-29 | WATANABE Keiichi |
| MATSUMOTO Hiroyuki | 42-22 | WATANABE Keiichi |
| WATANABE Keiichi | 38-26 | SANO Yoko |
| SUZUKI Yuta | 36-28 | WATANABE Keiichi |
| MATSUZAWA Atsushi | 35-29 | WATANABE Keiichi |
| WATANABE Keiichi | 36-28 | OHTAKE Kosuke |
| AKASHI Tomone | 38-26 | WATANABE Keiichi |
| WATANABE Keiichi | 39-25 | SHINAGAWA Yukinobu |
| KAWAGUCHI Hayato | 43-21 | WATANABE Keiichi |
| WATANABE Keiichi | 38-26 | MORI Takahiro |
| YOSHIDA Ryota | 38-26 | WATANABE Keiichi |
| TANIZAWA Misato | 35-29 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | TOKI Hidenobu |
| NAKAJIMA Tetsuya | 42-22 | WATANABE Keiichi |
| WATANABE Keiichi | 42-22 | TANIDA Keiko |
| KITAJIMA Masato | 38-26 | WATANABE Keiichi |
| MITSUYA Nobuaki | 38-26 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | SHINOHARA Chiaki |
| WATANABE Keiichi | 40-24 | SHINAGAWA Yukinobu |
| WATANABE Keiichi | 33-31 | OHNO Atsuko |
2009-12-06: 14_Kawasaki_open(Japan)
2009-11-29: 216_Kawagoe_ranking_games(Japan)
2009-11-28: 4_Period_Mito_Silver_Jishi(Japan)
2009-11-21: 29_King_state(Japan)
2009-11-14: 55_Chiyarenshi(Japan)
2009-10-25: 37_King_State(Japan)
2009-10-18: 2_RRGP(Japan)
2009-09-27: 36_King_State(Japan)
2009-09-21: 9_Saitama_open(Japan)
2009-09-19: 27_King_State(Japan)
2009-08-16: 69_Hamamatsu_meeting(Japan)
2009-08-15: 36_King_State(Japan)
2009-08-09: 115_Nagareyama_open(Japan)
2009-08-08: 52_Chiyarenshi(Japan)
2009-08-01: 59_Shinagawa_open(Japan)
2009-07-26: 33_King_State_(Japan)
2009-06-28: 37_Japan_Champ_Tokyo_prelim(Japan)
2009-06-14: Amumazeki_Open(Japan)
2009-06-06: 57_Shinagawa_Open(Japan)
2009-05-23: 32_King_State(Japan)
2009-05-16: 34_King_State(Japan)
2009-05-05: 31_King_State(Japan)
2009-04-29: 22_Kanto_Expert_prelim(Japan)
2009-04-25: 30_King_State(Japan)
2009-04-18: 33_King_State(Japan)
2009-04-12: 112_Nagareyama_Open(Japan)
2009-04-11: 49_Chiyarenshi(Japan)
2009-03-29: Hausuohu_Open(Japan)
2009-03-28: 30_Meijin_prelim(Japan)
2009-03-22: 111_Nagareyama_Open(Japan)
2009-03-21: 32_King_State_A(Japan)
2009-03-15: 2009_Tokyo_Expert_Prelim(Japan)
2009-03-07: 54_Shinagawa_Open(Japan)
2009-03-01: 62_Kanagawa_Open_B(Japan)
2009-02-21: 31_King_State_A(Japan)
2009-02-14: 47_Chiyarenshi_A(Japan)
2009-02-07: 53_Shinagawa_Open(Japan)
2009-01-25: 28_King_State(Japan)
2009-01-17: 30_King_State_A(Japan)
2009-01-11: 110_Nagareyama_Open(Japan)
2009-01-03: Shinagawa_2009(Japan)
| MIYAZAKI Yuji | 45-19 | WATANABE Keiichi |
| ISHIKAWA Akira | 39-25 | WATANABE Keiichi |
| OHNO Atsuko | 37-27 | WATANABE Keiichi |
| WATANABE Keiichi | 59-05 | INOUE Masaru |
| WATANABE Keiichi | 33-31 | IKEDA Atsuhiko |
| UMEMURA Yuji | 34-30 | WATANABE Keiichi |
| GOTO Masahiro | 42-22 | WATANABE Keiichi |
| WATANABE Keiichi | 39-25 | YOSHIDA Hideaki |
| WATANABE Keiichi | 38-26 | KAWABATA Seiji |
| WATANABE Keiichi | 34-30 | KITAJIMA Masato |
| TANAKA Amane | 53-11 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | TOKI Yugo |
| KATO Tomihiro | 34-30 | WATANABE Keiichi |
| KURAHASHI Satoshi | 35-29 | WATANABE Keiichi |
| WATANABE Keiichi | 36-28 | IZUMI Takashi |
| WATANABE Keiichi | 34-30 | KOBAYASHI Manabu |
| WATANABE Keiichi | 45-19 | KATO Tomihiro |
| ISHIKAWA Akira | 37-27 | WATANABE Keiichi |
| KATO Yuzuru | 34-30 | WATANABE Keiichi |
| MATSUMOTO Hiroyuki | 39-25 | WATANABE Keiichi |
| WATANABE Keiichi | 39-25 | KOBAYASHI Manabu |
| MITSUYA Nobuaki | 45-19 | WATANABE Keiichi |
| TANIZAWA Misato | 38-26 | WATANABE Keiichi |
| SANO Yoko | 38-26 | WATANABE Keiichi |
| KOBAYASHI Manabu | 39-25 | WATANABE Keiichi |
| WATANABE Keiichi | 37-27 | HISHIYAMA Yuichi |
| WATANABE Keiichi | 36-28 | SHINAGAWA Yukinobu |
| WATANABE Keiichi | 35-29 | KAWAGUCHI Hayato |
| ISHIKAWA Akira | 40-24 | WATANABE Keiichi |
| KIUCHI Hideyuki | 34-30 | WATANABE Keiichi |
| WATANABE Keiichi | 46-18 | SANO Joichiro |
| OHUCHI Yasuhiro | 38-25 | WATANABE Keiichi |
| WATANABE Keiichi | 41-23 | HISAHIRO Takao |
| IWATA Hiroyuki | 39-25 | WATANABE Keiichi |
| WATANABE Keiichi | 41-23 | SASAKI Sadayuki |
| TAKIZAWA Masaki | 36-28 | WATANABE Keiichi |
| KOIDE Satoshi | 36-28 | WATANABE Keiichi |
| SATO Hisakazu | 40-24 | WATANABE Keiichi |
| TANAKA Atsushi | 38-26 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | WAKAYAMA Yusuke |
| OHTAKE Kosuke | 36-28 | WATANABE Keiichi |
| MIYAZAKI Yuji | 38-26 | WATANABE Keiichi |
| TANAKA Shuntaro | 36-27 | WATANABE Keiichi |
| GOTO Masahiro | 37-27 | WATANABE Keiichi |
| SAKURAI Takeuchi | 36-28 | WATANABE Keiichi |
| WATANABE Keiichi | 39-25 | ISHIWATA Yoshikazu |
| WATANABE Keiichi | 40-24 | SANO Joichiro |
| IWATA Hiroyuki | 44-20 | WATANABE Keiichi |
| WATANABE Keiichi | 51-13 | OHNO Atsuko |
| SUZUKI Yuta | 32-32 | WATANABE Keiichi |
| YAMAZAKI Nobuyuki | 54-10 | WATANABE Keiichi |
| YAMAMOTO Kunihiro | 50-14 | WATANABE Keiichi |
| IKEDA Atsuhiko | 33-31 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | KATO Yuzuru |
| KOSHINO Kazuhiko | 37-27 | WATANABE Keiichi |
| WATANABE Keiichi | won against | SHIMIZU Kouichi |
| YOSHIYUKI Suganuma | 37-27 | WATANABE Keiichi |
| NAGASHIMA Kazuhito | 35-29 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | OKUDA Tsuyoshi |
| WATANABE Keiichi | 44-20 | YAMADA Takeo |
| NAGAO Hiroto | 44-20 | WATANABE Keiichi |
| TOMOTA Yusuke | 45-19 | WATANABE Keiichi |
| MIZUNO Keigo | 41-23 | WATANABE Keiichi |
| FUJITA Takeshi | 42-22 | WATANABE Keiichi |
| ISHIKAWA Akira | 36-28 | WATANABE Keiichi |
| TAKASAKI Shohei | 33-31 | WATANABE Keiichi |
| NAKAJIMA Tetsuya | 44-20 | WATANABE Keiichi |
| WATANABE Keiichi | 41-23 | KAWABATA Seiji |
| SATO Yuri | 33-31 | WATANABE Keiichi |
| TAKEDA Kyoko | 34-30 | WATANABE Keiichi |
| KATORI Michihiro | 39-25 | WATANABE Keiichi |
| MATSUYA Shinpei | 33-31 | WATANABE Keiichi |
| WATANABE Keiichi | 56-08 | TAKIGAWA Mitsuaki |
| KURACHI Takayuki | 46-18 | WATANABE Keiichi |
| HISHIYAMA Yuichi | 35-29 | WATANABE Keiichi |
| KAWABATA Seiji | 35-28 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | NISHIYAMA Momoko |
| WATANABE Keiichi | 41-23 | AMIKAZU Ayama |
| KURAMOCHI Yuta | 37-27 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | HISHIYAMA Yuichi |
| KOSHINO Kazuhiko | 33-31 | WATANABE Keiichi |
| IIJIMA Takamune | 33-31 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | NAGAMATSU Ryota |
| WATANABE Keiichi | 39-25 | KATO Yuzuru |
| KURACHI Takayuki | 36-28 | WATANABE Keiichi |
| SANO Yoko | 33-31 | WATANABE Keiichi |
| SATO Koichiro | 42-22 | WATANABE Keiichi |
| NAGANO Yasushi | 37-27 | WATANABE Keiichi |
| IWATA Hiroyuki | 42-22 | WATANABE Keiichi |
| KOBAYASHI Manabu | 37-27 | WATANABE Keiichi |
| WATANABE Keiichi | 36-28 | SAKURAI Takeuchi |
| WATANABE Keiichi | 40-24 | AMIKAZU Ayama |
| WATANABE Keiichi | 33-31 | IKEDA Atsuhiko |
| WATANABE Hideaki | 33-31 | WATANABE Keiichi |
| SHINOHARA Jun | 33-31 | WATANABE Keiichi |
| WATANABE Keiichi | 43-21 | SOMEYA Shingo |
| WATANABE Keiichi | 35-29 | SHINOHARA Ryo |
| IWATA Hiroyuki | 36-28 | WATANABE Keiichi |
| AKASHI Tomone | 43-21 | WATANABE Keiichi |
| TAKASHIMA Ryoji | 38-26 | WATANABE Keiichi |
| WATANABE Keiichi | 38-26 | ISHIWATA Yoshikazu |
| KOSHINO Kazuhiko | 40-24 | WATANABE Keiichi |
| SATO Naohiro | 42-22 | WATANABE Keiichi |
| SASAKI Kousuke | 45-18 | WATANABE Keiichi |
| KOBAYASHI Oh | 36-28 | WATANABE Keiichi |
| WATANABE Keiichi | 38-26 | SANO Joichiro |
| HISHIYAMA Yuichi | 39-25 | WATANABE Keiichi |
| SANO Yoko | 44-20 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | OKAMA Ayumi |
| KOSHINO Kazuhiko | 38-26 | WATANABE Keiichi |
| WATANABE Keiichi | 43-21 | TAKIGAWA Mitsuaki |
| KOIDE Satoshi | 40-24 | WATANABE Keiichi |
| KOSHINO Kazuhiko | 37-27 | WATANABE Keiichi |
| SANO Yoko | 43-21 | WATANABE Keiichi |
| SAITO Aya | 37-27 | WATANABE Keiichi |
| WATANABE Keiichi | 39-25 | SANO Erika |
| IKEDA Atsuhiko | 42-22 | WATANABE Keiichi |
| ITO Junya | 40-24 | WATANABE Keiichi |
| KOIDE Satoshi | 39-25 | WATANABE Keiichi |
| KOMAGATA Masayuki | 38-26 | WATANABE Keiichi |
| WATANABE Keiichi | 36-28 | NAGAMATSU Ryota |
| IKEDA Atsuhiko | 39-25 | WATANABE Keiichi |
| OTANI Takashi | won against | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | OHUCHI Yasuhiro |
| SHINOHARA Jun | 34-30 | WATANABE Keiichi |
| TSUKAMOTO Kazuma | 34-29 | WATANABE Keiichi |
| ASAHINA Satoshi | 35-29 | WATANABE Keiichi |
| SHINOHARA Ryo | 38-26 | WATANABE Keiichi |
| MIYAZAKI Yuji | 37-27 | WATANABE Keiichi |
| OKUDA Tsuyoshi | 34-30 | WATANABE Keiichi |
| TANAKA Shuntaro | 33-31 | WATANABE Keiichi |
| WATANABE Keiichi | 36-28 | TANIDA Keiko |
| TAKIGAWA Mitsuaki | 34-30 | WATANABE Keiichi |
| WATANABE Keiichi | 37-26 | SHIMONOSONO Kozo |
| ISHIKAWA Akira | 39-25 | WATANABE Keiichi |
| WATANABE Keiichi | 42-22 | ISHIWATA Yoshikazu |
| OHNO Atsuko | 38-26 | WATANABE Keiichi |
| KOSHINO Kazuhiko | 36-28 | WATANABE Keiichi |
| TANAKA Atsushi | 42-22 | WATANABE Keiichi |
| WATANABE Keiichi | 41-23 | TANIDA Keiko |
| WATAHIKI Kenta | 34-30 | WATANABE Keiichi |
| WATANABE Keiichi | 40-24 | WATANABE Hideaki |
| NAGASHIMA Kazuhito | 45-19 | WATANABE Keiichi |
| NAKAJIMA Tetsuya | 33-31 | WATANABE Keiichi |
| OKUDA Tsuyoshi | 39-25 | WATANABE Keiichi |
| ISHII Kiyotaka | 41-23 | WATANABE Keiichi |
| TANAKA Kensuke | 36-28 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | KOSHINO Kazuhiko |
| MITSUYA Nobuaki | 42-22 | WATANABE Keiichi |
| OTANI Takashi | 33-31 | WATANABE Keiichi |
| OHNO Atsuko | 33-31 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | TOKI Yugo |
| ISHIHARA Makoto | 38-26 | WATANABE Keiichi |
| HAMADA Kikue | 39-25 | WATANABE Keiichi |
| SHINOHARA Chiaki | 33-31 | WATANABE Keiichi |
| SATO Koichiro | 33-31 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | NAKAYAMA Takahiro |
| TANAKA Shuntaro | 33-31 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | TANAKA Satoshi |
| WATANABE Keiichi | 33-31 | YOSHIDA Taisaku |
| ARAKI Kentaro | 33-31 | WATANABE Keiichi |
| SATANI Tetsu | 33-31 | WATANABE Keiichi |
| KOIDE Satoshi | 33-31 | WATANABE Keiichi |
| ARAKI Kentaro | 33-31 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | TANAKA Satoshi |
| OKUDA Tsuyoshi | 33-31 | WATANABE Keiichi |
| YOSHIYUKI Suganuma | 33-31 | WATANABE Keiichi |
| KOSHINO Kazuhiko | 54-10 | WATANABE Keiichi |
| WATANABE Keiichi | 64-00 | TAKEDA Kou |
| SUZUKI Yuta | 51-13 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | KOBAYASHI Manabu |
| TANAKA Atsushi | 42-22 | WATANABE Keiichi |
| MATSUYA Shinpei | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | TATSUMI-IIJIMA Yukiko |
| SUZUKI Yuta | 40-24 | WATANABE Keiichi |
| KOBAYASHI Manabu | 50-14 | WATANABE Keiichi |
| UEDA Mikiya | 45-19 | WATANABE Keiichi |
| HAMADA Kikue | 57-07 | WATANABE Keiichi |
| NAKAJIMA Tetsuya | 45-19 | WATANABE Keiichi |
| TANAKA Shuntaro | 42-22 | WATANABE Keiichi |
| SATO Koichiro | 41-23 | WATANABE Keiichi |
| WATANABE Keiichi | 60-04 | SHINOHARA Jun |
| KOBAYASHI Syunjiro | 47-17 | WATANABE Keiichi |
| WATANABE Keiichi | 38-26 | HAMADA Kikue |
| OHNO Atsuko | 44-20 | WATANABE Keiichi |
| WATANABE Keiichi | 36-28 | SHIMONOSONO Kozo |
| SUZUKI Yuta | 56-08 | WATANABE Keiichi |
| INOUE Shirakawa | 46-18 | WATANABE Keiichi |
| TANAKA Atsushi | 41-23 | WATANABE Keiichi |
| WATANABE Keiichi | 41-23 | MIYAZAKI Yuji |
| IIJIMA Takamune | 39-25 | WATANABE Keiichi |
| NODA Bintatsu | 53-11 | WATANABE Keiichi |
| SANO Yoko | 54-10 | WATANABE Keiichi |
| TOKI Yugo | 38-26 | WATANABE Keiichi |
| GOTO Masahiro | 34-30 | WATANABE Keiichi |
| NAKAJIMA Tetsuya | 45-19 | WATANABE Keiichi |
| WATANABE Keiichi | 44-20 | OKUDA Tsuyoshi |
| SATO Koichiro | 54-10 | WATANABE Keiichi |
| KOBAYASHI Manabu | 48-16 | WATANABE Keiichi |
| NAGASHIMA Kazuhito | 48-16 | WATANABE Keiichi |
| SUZUKI Yuta | 49-15 | WATANABE Keiichi |
| WATANABE Keiichi | 52-12 | KOSHINO Kazuhiko |
| KAWAGUCHI Hayato | 38-26 | WATANABE Keiichi |
| WATANABE Keiichi | 39-25 | KOIDE Satoshi |
| EBIHARA Yusuke | 49-15 | WATANABE Keiichi |
| KOBAYASHI Syunjiro | 49-15 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | WATANABE Hideaki |
| TANAKA Shuntaro | 44-20 | WATANABE Keiichi |
| SUZUKI Yuta | 41-23 | WATANABE Keiichi |
| WATANABE Keiichi | 36-28 | KOBAYASHI Syunjiro |
| WATANABE Keiichi | 40-24 | TAKIGAWA Mitsuaki |
| MIYAZAKI Yuji | 54-10 | WATANABE Keiichi |
| KOIDE Satoshi | 48-16 | WATANABE Keiichi |
| WATANABE Keiichi | 53-11 | SUGISAKI Harumi |
| OZAWA Kou | 46-18 | WATANABE Keiichi |
| WATANABE Keiichi | 37-27 | NAGANO Yasushi |
| SUKO Masayuki | 37-27 | WATANABE Keiichi |
| TATSUMI-IIJIMA Yukiko | 40-24 | WATANABE Keiichi |
| SUZUKI Yuta | 41-23 | WATANABE Keiichi |
| SATO Tetsuya | 38-26 | WATANABE Keiichi |
| WATANABE Keiichi | 36-28 | TAKEDA Kyoko |
| WATANABE Keiichi | 48-16 | KOSHINO Kazuhiko |
| WATANABE Keiichi | 37-27 | SANO Yoko |
| WATANABE Keiichi | 40-24 | OKUDA Tsuyoshi |
| KANAZAWA Kota | 50-14 | WATANABE Keiichi |
| SUGISAKI Harumi | 41-23 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | KOBAYASHI Manabu |
| WATANABE Keiichi | 38-26 | KAWADA Masaki |
| WATANABE Keiichi | 43-21 | KOBAYASHI Makoto |
| ITO Junya | 38-26 | WATANABE Keiichi |
| SUZUKI Yuta | 42-22 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | ISHII Kiyotaka |
| WATANABE Keiichi | 50-14 | ICHIMURA Hiroki |
| NARIYA Makoto | 45-19 | WATANABE Keiichi |
| WATANABE Keiichi | 38-26 | KOIDE Satoshi |
| TAKIGAWA Mitsuaki | 36-28 | WATANABE Keiichi |
2008-12-28: 27_King_State(Japan)
2008-12-23: 26_King_State(Japan)
2008-12-20: 29_King_State_A(Japan)
2008-12-14: 212_Kawagoe_ranking(Japan)
2008-12-13: 46_Chiyarenshi_A(Japan)
2008-12-06: 52_Shinagawa_open(Japan)
2008-11-23: 24_King_State(Japan)
2008-11-22: 13_Tatebayashi_Open(Japan)
2008-11-15: 28_King_State_A(Japan)
2008-11-02: 60_Kanagawa_B(Japan)
2008-11-01: 51_Shinagawa_open(Japan)
2008-10-25: 22_King_State(Japan)
2008-10-18: 27_King_State_A(Japan)
2008-10-12: 21_King_State(Japan)
2008-10-04: 50_Shinagawa_open(Japan)
2008-09-28: 4_Chiba_Open(Japan)
2008-09-27: 12_Tatebayashi_Open(Japan)
2008-09-23: 20_King_state_Open(Japan)
2008-09-20: 26_King_State_special_A(Japan)
2008-09-15: 19_King_state_Open(Japan)
2008-09-14: 8_Saitama_open(Japan)
2008-09-06: 49_Shinagawa_open(Japan)
2008-08-30: 18_King_state_Open(Japan)
2008-08-23: 8_Anti_Resistance_Game(Japan)
2008-08-17: 42_Mito_Meeting(Japan)
2008-08-16: 25_King_State_special_A(Japan)
2008-08-09: 42_Chiyarenshi_Open_A(Japan)
2008-08-02: 48_Shinagawa_open(Japan)
2008-07-27: 17_King_state_Open(Japan)
2008-07-13: 25th Kawagoe 7th period queen game(Japan)
2008-07-12: 41st challenge cup A(Japan)
2008-07-05: 47th Kanagawa seaside Open(Japan)
2008-07-05: 47_Shinagawa_open(Japan)
2008-06-28: 16th King state special(Japan)
2008-06-22: 2008 Tokyo block preliminary(Japan)
2008-06-14: 40th Challenge Cup A(Japan)
2008-06-08: 2008 Tokyo preliminary(Japan)
2008-05-31: 1st Shinagawa age championship (above 5609)(Japan)
2008-05-24: 10th Tatebayashi Open (Japan)
2008-05-05: 12th king state cup special (Japan)
2008-05-03: 45_Shinagawa_open(Japan)
2008-04-29: 21st Kanto Open (Japan)
2008-04-27: 11th king state special (Japan)
2008-04-13: 103rd Nagareyama open(Japan)
2008-04-12: 38th challenge cup A(Japan)
2008-04-05: 44_Shinagawa_open(Japan)
2008-03-29: 10th King state special 2008(Japan)
2008-03-23: 29_Meijin(Japan)
2008-03-15: 21st king state cup A(Japan)
2008-03-12: 208th Kawagoe ranking game(Japan)
2008-03-08: 37th challenge cup A(Japan)
2008-03-01: 43_Shinagawa_open(Japan)
2008-02-24: 9th king state special(Japan)
2008-02-17: 2008 Tokyo expert game(Japan)
2008-02-16: 20th King state cup B(Japan)
2008-02-09: 36th challenge cup advanced(Japan)
2008-02-09: 4th Mito Open(Japan)
2008-02-02: 42_Shinagawa_open(Japan)
2008-01-27: 7th King state special (Japan)
2008-01-19: 19th King state cup advanced(Japan)
2008-01-12: 35th challenge cup advanced(Japan)
2008-01-03: Shinagawa Open 2008(Japan)
| WATANABE Keiichi | 44-20 | TOKI Yugo |
| WATANABE Hideaki | 38-26 | WATANABE Keiichi |
| KOZUKA Katsuhiko | 55-09 | WATANABE Keiichi |
| WATANABE Keiichi | 44-20 | TAKIGAWA Mitsuaki |
| SHINOHARA Jun | 35-29 | WATANABE Keiichi |
| KOBAYASHI Manabu | 40-24 | WATANABE Keiichi |
| KOMAGATA Masayuki | 34-30 | WATANABE Keiichi |
| WATANABE Keiichi | won against | KAWAGUCHI Genki |
| WATANABE Keiichi | 52-12 | WATANABE Hideaki |
| KOBAYASHI Oh | 52-12 | WATANABE Keiichi |
| ISHIKAWA Akira | 33-31 | WATANABE Keiichi |
| KOIDE Satoshi | 54-10 | WATANABE Keiichi |
| ISHIKAWA Akira | 35-29 | WATANABE Keiichi |
| MIYAZAKI Yuji | 54-10 | WATANABE Keiichi |
| WATANABE Keiichi | 45-19 | KOIDE Satoshi |
| SUZUKI Yuta | 39-25 | WATANABE Keiichi |
| NAGANO Yasushi | 44-20 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | HAMADA Kikue |
| TODA Tomoya | 40-24 | WATANABE Keiichi |
| KURACHI Takayuki | 32-32 | WATANABE Keiichi |
| TANIGUCHI Yukiyoshi | 50-14 | WATANABE Keiichi |
| WATANABE Keiichi | 40-24 | YIZUHARA Akita |
| TANAKA Junya | 43-21 | WATANABE Keiichi |
| SANO Yoko | 52-12 | WATANABE Keiichi |
| OHUCHI Yasuhiro | 46-18 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | HAMADA Kikue |
| TOKI Yugo | 41-23 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | SUZUKI Yuta |
| ISHIHARA Makoto | 42-22 | WATANABE Keiichi |
| HIKARU Hidemi | 52-12 | WATANABE Keiichi |
| KOBAYASHI Syunjiro | 38-26 | WATANABE Keiichi |
| WATANABE Keiichi | 39-25 | SANO Yoko |
| TATSUMI-IIJIMA Yukiko | 37-27 | WATANABE Keiichi |
| WATANABE Keiichi | 41-23 | WATANABE Hideaki |
| SATANI Tetsu | 41-23 | WATANABE Keiichi |
| WATANABE Keiichi | 44-20 | KOSHINO Kazuhiko |
| WATANABE Keiichi | 39-25 | SAKURAI Takeuchi |
| NAKAMURA Yuya | 41-23 | WATANABE Keiichi |
| KIUCHI Hideyuki | 37-27 | WATANABE Keiichi |
| NAKANO Jo | 45-19 | WATANABE Keiichi |
| WATANABE Keiichi | 64-00 | KOIDE Satoshi |
| OKADA Hionobu | 42-22 | WATANABE Keiichi |
| WATANABE Keiichi | 44-20 | KAWAGUCHI Hayato |
| WATANABE Keiichi | 35-29 | URUSHIHARA Kazuhiro |
| OHUCHI Yasuhiro | 46-18 | WATANABE Keiichi |
| HIKARU Hidemi | 45-19 | WATANABE Keiichi |
| SANO Yoko | 49-15 | WATANABE Keiichi |
| OKUDA Tsuyoshi | 33-31 | WATANABE Keiichi |
| NAKAJIMA Tetsuya | 57-07 | WATANABE Keiichi |
| KOBAYASHI Manabu | 38-26 | WATANABE Keiichi |
| WATANABE Hideaki | 59-05 | WATANABE Keiichi |
| TAKEISHI Takuya | 42-22 | WATANABE Keiichi |
| WATANABE Keiichi | 36-28 | KOIDE Satoshi |
| WATANABE Keiichi | 37-27 | TAKEDA Kyoko |
| SAITO Aya | 50-14 | WATANABE Keiichi |
| SUGIYAMA Akira | 36-28 | WATANABE Keiichi |
| WATANABE Keiichi | 52-12 | ITAGAKI Kenichi |
| TANIGUCHI Yukiyoshi | 36-28 | WATANABE Keiichi |
| SANO Yoko | 48-16 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | IIJIMA Takamune |
| WATANABE Keiichi | 35-29 | WATANABE Hideaki |
| KOMAGATA Masayuki | 45-19 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | KOSHINO Kazuhiko |
| ISHIKAWA Akira | 43-21 | WATANABE Keiichi |
| KOBAYASHI Syunjiro | 34-30 | WATANABE Keiichi |
| WATANABE Keiichi | 36-28 | KOBAYASHI Syunjiro |
| SATO Tetsuya | 37-27 | WATANABE Keiichi |
| WATANABE Keiichi | 45-19 | ISHIWATA Yoshikazu |
| TATSUMI-IIJIMA Yukiko | 33-31 | WATANABE Keiichi |
| HISHIYAMA Yuichi | 34-30 | WATANABE Keiichi |
| KOMAGATA Masayuki | 41-23 | WATANABE Keiichi |
| TATSUMI-IIJIMA Yukiko | 41-23 | WATANABE Keiichi |
| ISHIKAWA Akira | 34-30 | WATANABE Keiichi |
| WATANABE Keiichi | 43-21 | SANO Yoko |
| SATO Koichiro | 38-26 | WATANABE Keiichi |
| HAMADA Kikue | 33-31 | WATANABE Keiichi |
| OKUDA Tsuyoshi | 40-24 | WATANABE Keiichi |
| WATANABE Keiichi | 46-18 | SATO Tetsuya |
| NAKAJIMA Tetsuya | 36-28 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | TANAKA Atsushi |
| TAKANASHI Yusuke | 34-30 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | WATANABE Hideaki |
| MIYAZAKI Yuji | 40-24 | WATANABE Keiichi |
| SANO Yoko | 38-26 | WATANABE Keiichi |
| WATAHIKI Kenta | won against | WATANABE Keiichi |
| OKUDA Tsuyoshi | won against | WATANABE Keiichi |
| WATANABE Hideaki | 34-30 | WATANABE Keiichi |
| SUGISAKI Harumi | 34-30 | WATANABE Keiichi |
| KURAMOCHI Yuta | 52-12 | WATANABE Keiichi |
| WATANABE Keiichi | 45-19 | KOBAYASHI Makoto |
| TANIDA Keiko | 44-20 | WATANABE Keiichi |
| WATANABE Keiichi | 38-26 | KOBAYASHI Manabu |
| SUZUKI Yuta | 47-17 | WATANABE Keiichi |
| WATANABE Keiichi | 36-28 | OHTAKE Kosuke |
| ENDO Tetsuro | 32-32 | WATANABE Keiichi |
| WATANABE Keiichi | 39-25 | NAGASHIMA Kazuhito |
| URUSHIHARA Kazuhiro | 40-24 | WATANABE Keiichi |
| WATANABE Keiichi | 54-10 | MIYASHITA Ookochi |
| WATANABE Keiichi | 38-26 | KURAHASHI Satoshi |
| SATO Tetsuya | 44-20 | WATANABE Keiichi |
| HIKARU Hidemi | 49-15 | WATANABE Keiichi |
| KOIDE Satoshi | 46-18 | WATANABE Keiichi |
| KOBAYASHI Oh | 35-29 | WATANABE Keiichi |
| WATANABE Keiichi | 52-12 | SUGISAKI Harumi |
| WATANABE Keiichi | 35-29 | SANO Yoko |
| WATANABE Keiichi | 41-23 | TOKI Yugo |
| NAKAJIMA Tetsuya | 50-14 | WATANABE Keiichi |
| WATANABE Keiichi | 36-28 | NAGANO Yasushi |
| TATSUMI-IIJIMA Yukiko | 50-14 | WATANABE Keiichi |
| ITO Junya | 46-18 | WATANABE Keiichi |
| ISHIKAWA Akira | 47-17 | WATANABE Keiichi |
| WATANABE Hideaki | 42-22 | WATANABE Keiichi |
| WATANABE Keiichi | 37-27 | OHNO Atsuko |
| WATANABE Keiichi | 36-28 | SANO Yoko |
| NAKAJIMA Tetsuya | 52-12 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | TANAKA Kensuke |
| WATANABE Keiichi | 35-29 | NAGAMATSU Ryota |
| ENOMOTO Yasuhiro | 41-23 | WATANABE Keiichi |
| WATAHIKI Kenta | 33-31 | WATANABE Keiichi |
| KAWAGUCHI Yuuki | 33-31 | WATANABE Keiichi |
| KOMAGATA Masayuki | 46-18 | WATANABE Keiichi |
| KAWAGUCHI Genki | 39-25 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | WATANABE Hideaki |
| WATANABE Keiichi | 45-19 | YAMAMOTO Kunihiro |
| WATANABE Keiichi | 36-28 | KOSHINO Kazuhiko |
| TSUCHIDA Daisuke | 40-23 | WATANABE Keiichi |
| NAGAMATSU Ryota | 38-26 | WATANABE Keiichi |
| WATANABE Keiichi | 38-26 | HISHIYAMA Yuichi |
| ISHIKAWA Akira | 40-24 | WATANABE Keiichi |
| TANAKA Shuntaro | 43-21 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | KURACHI Takayuki |
| OKUDA Tsuyoshi | 33-31 | WATANABE Keiichi |
| SUZUKI Yuta | won against | WATANABE Keiichi |
| WATANABE Keiichi | 41-23 | KOBAYASHI Syunjiro |
| SANO Yoko | 43-21 | WATANABE Keiichi |
| HOSHI Ryuichi | 43-21 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | KOBAYASHI Kasa |
| TOMOTA Yusuke | 39-25 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | URASHIMA Mei |
| UNO Toshihiro | 34-30 | WATANABE Keiichi |
| KANDA Yoshihiro | 36-28 | WATANABE Keiichi |
| WATANABE Keiichi | 40-24 | YAMAZAKI Nobuyuki |
| SEKIYAMA Tetsuyuki | 48-16 | WATANABE Keiichi |
| KINOSHITA Tsutomu | 45-19 | WATANABE Keiichi |
| OHTAKE Kosuke | 47-17 | WATANABE Keiichi |
| KATO Tomihiro | 32-32 | WATANABE Keiichi |
| SEKIGUCHI Shinya | 44-20 | WATANABE Keiichi |
| WATANABE Keiichi | 45-19 | KOBAYASHI Manabu |
| KOSHINO Kazuhiko | 39-25 | WATANABE Keiichi |
| SUKO Masayuki | 35-29 | WATANABE Keiichi |
| KURITA Seiya | 38-26 | WATANABE Keiichi |
| YAMAMURA Yuuki | 50-14 | WATANABE Keiichi |
| AZUMA Hideki | 44-20 | WATANABE Keiichi |
| WATANABE Keiichi | 43-21 | SUZUKI Yuta |
| KASHIWAGI Mitsuyoshi | 34-30 | WATANABE Keiichi |
| WATANABE Keiichi | 44-20 | KOBAYASHI Oh |
| TSUKAMOTO Kazuma | 54-10 | WATANABE Keiichi |
| SANO Yoko | 36-28 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | KOSHINO Kazuhiko |
| SHIMONOSONO Kozo | 45-19 | WATANABE Keiichi |
| WATANABE Keiichi | 58-06 | YAMANOUCHI Atsushi |
| NARIYA Makoto | 42-22 | WATANABE Keiichi |
| HIKARU Hidemi | 39-25 | WATANABE Keiichi |
| TANIDA Kunihiko | 33-31 | WATANABE Keiichi |
| ISHIKAWA Akira | 56-08 | WATANABE Keiichi |
| NAGAMATSU Ryota | 44-20 | WATANABE Keiichi |
| WATANABE Keiichi | 49-15 | SHINOHARA Jun |
| WATANABE Keiichi | 37-27 | YAMAMURA Yuuki |
| TOKI Yugo | 35-29 | WATANABE Keiichi |
| TAKIGAWA Mitsuaki | 35-29 | WATANABE Keiichi |
| WATANABE Keiichi | 51-13 | FUJII Keisuke |
| KURITA Seiya | lost to | WATANABE Keiichi |
| ARAKI Kentaro | won against | WATANABE Keiichi |
| KOSHINO Kazuhiko | lost to | WATANABE Keiichi |
| GOTO Hiroto | won against | WATANABE Keiichi |
| SATAKE Yosuke | won against | WATANABE Keiichi |
| KAWABATA Seiji | won against | WATANABE Keiichi |
| SATO Ryu | won against | WATANABE Keiichi |
| SUZUKI Yuta | won against | WATANABE Keiichi |
| NAGANO Yasushi | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | TOKI Yugo |
| WATANABE Keiichi | won against | ASANO Yuki |
| OHTAKE Kosuke | won against | WATANABE Keiichi |
| ITO Junya | won against | WATANABE Keiichi |
| WATANABE Keiichi | lost to | NAKANO Yasuhide |
| TOKI Yugo | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | WATANABE Hideaki |
| WATANABE Keiichi | won against | HAMADA Kikue |
| ISHIKAWA Akira | won against | WATANABE Keiichi |
| ITO Junya | 36-28 | WATANABE Keiichi |
| NAKANO Yasuhide | 45-19 | WATANABE Keiichi |
| TOKI Yugo | 40-24 | WATANABE Keiichi |
| WATANABE Keiichi | 37-27 | WATANABE Hideaki |
| WATANABE Keiichi | 41-23 | HAMADA Kikue |
| ISHIKAWA Akira | 43-21 | WATANABE Keiichi |
| WATANABE Keiichi | won against | OHTAKE Kosuke |
| ISHIKAWA Akira | won against | WATANABE Keiichi |
| MORIKAWA Masayoshi | won against | WATANABE Keiichi |
| OHNO Atsuko | won against | WATANABE Keiichi |
| KOBAYASHI Syunjiro | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | MORI Takahiro |
| ISHIKAWA Akira | won against | WATANABE Keiichi |
| SHIMONOSONO Kozo | won against | WATANABE Keiichi |
| WATANABE Keiichi | lost to | MORI Takahiro |
| NAKANO Jo | won against | WATANABE Keiichi |
| KASHIWAGI Mitsuyoshi | won against | WATANABE Keiichi |
| UEDA Mikiya | won against | WATANABE Keiichi |
| SUZUKI Yuta | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | WATANABE Hideaki |
| KOBAYASHI Kasa | won against | WATANABE Keiichi |
| SATO Tetsuya | won against | WATANABE Keiichi |
| YAMADA Yuichi | won against | WATANABE Keiichi |
| WATANABE Keiichi | lost to | MORI Takahiro |
| WATANABE Keiichi | lost to | KOIDE Satoshi |
| WATANABE Keiichi | won against | KAWAGUCHI Yuuki |
| WATANABE Keiichi | won against | TANIDA Keiko |
| WATANABE Keiichi | won against | ARAKI Kentaro |
| IIJIMA Takamune | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | SATO Tetsuya |
| HISHIYAMA Yuichi | lost to | WATANABE Keiichi |
| OSHIMIZU Takanori | won against | WATANABE Keiichi |
| KOSHINO Kazuhiko | won against | WATANABE Keiichi |
| KOBAYASHI Manabu | won against | WATANABE Keiichi |
| WATANABE Keiichi | lost to | OHUCHI Syou |
| WATANABE Keiichi | won against | SHIRASAWA Hitomi |
| WATANABE Keiichi | won against | OHUCHI Yasuhiro |
| WATANABE Keiichi | won against | URUSHIHARA Kazuhiro |
| WATANABE Keiichi | won against | KATO Tomihiro |
| KIMIMATSO Rkirami | won against | WATANABE Keiichi |
| TAKANASHI Yusuke | won against | WATANABE Keiichi |
| TSUKAMOTO Kazuma | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | KOBAYASHI Syunjiro |
| YAMADA Goro | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | KOBAYASHI Manabu |
| HISHIYAMA Yuichi | won against | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | ARAKI Kentaro |
| NAKAMURA Yuya | 47-17 | WATANABE Keiichi |
| WATANABE Hideaki | 49-15 | WATANABE Keiichi |
| SHIMONOSONO Kozo | 46-18 | WATANABE Keiichi |
| WATANABE Keiichi | 37-27 | HISHIYAMA Yuichi |
| WATANABE Keiichi | 47-17 | SUGISAKI Harumi |
| ITO Junya | won against | WATANABE Keiichi |
| ITAGAKI Kenichi | lost to | WATANABE Keiichi |
| WATANABE Keiichi | lost to | KOZUKA Katsuhiko |
| NAGASAKI Hidekazu | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | ISHIKAWA Akira |
| WATANABE Keiichi | won against | NAKANO Masaru |
| ENOMOTO Yasuhiro | won against | WATANABE Keiichi |
| TAKIGAWA Mitsuaki | won against | WATANABE Keiichi |
| NAKANO Jo | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | KOBAYASHI Syunjiro |
| OKUDA Tsuyoshi | won against | WATANABE Keiichi |
| KURAMOCHI Yuta | won against | WATANABE Keiichi |
| HAGIKURA Yutaka | lost to | WATANABE Keiichi |
| NAGANO Yasushi | won against | WATANABE Keiichi |
| KOBAYASHI Manabu | won against | WATANABE Keiichi |
| SATO Yuri | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | IBARA Kunihiko |
| SHIROTA Yasuto | won against | WATANABE Keiichi |
| WATANABE Keiichi | lost to | KURAMOCHI Yuta |
| WATANABE Keiichi | won against | SATO Tetsuya |
| WATANABE Keiichi | won against | KOBAYASHI Manabu |
| ISHIHARA Makoto | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | NAGAMATSU Ryota |
| WATANABE Keiichi | 34-30 | KAWAGUCHI Genki |
| NAKAJIMA Tetsuya | 41-23 | WATANABE Keiichi |
| SHIMONOSONO Kozo | 37-27 | WATANABE Keiichi |
| WATANABE Keiichi | 44-20 | ISHIWATA Yoshikazu |
| TANIDA Kunihiko | 39-25 | WATANABE Keiichi |
| YAMAGUCHI Yoshiaki | won against | WATANABE Keiichi |
| SATO Ryu | lost to | WATANABE Keiichi |
| WATANABE Keiichi | won against | TANIDA Keiko |
| SUZUKI Yuta | won against | WATANABE Keiichi |
| OKUDA Tsuyoshi | won against | WATANABE Keiichi |
| TAKIZAWA Nobuyuki | 33-31 | WATANABE Keiichi |
| OHHASHI Tomoshige | 33-31 | WATANABE Keiichi |
| ITAGAKI Kenichi | 33-31 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | TANIDA Keiko |
| WATANABE Keiichi | 33-31 | MITSUYA Nobuaki |
| NAKAJIMA Tetsuya | won against | WATANABE Keiichi |
| KURITA Seiya | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | OHNO Atsuko |
| TATSUMI-IIJIMA Yukiko | won against | WATANABE Keiichi |
| KURAMOCHI Yuta | won against | WATANABE Keiichi |
| WATAHIKI Kenta | won against | WATANABE Keiichi |
| MORITA Yutsuka | 32-32 | WATANABE Keiichi |
| TANIDA Keiko | lost to | WATANABE Keiichi |
| KURACHI Takayuki | won against | WATANABE Keiichi |
| TAKASHIMA Ryoji | won against | WATANABE Keiichi |
| SAITO Riki | won against | WATANABE Keiichi |
| WAKIMOTO Naoyuki | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | HISHIYAMA Yuichi |
| MORI Takahiro | won against | WATANABE Keiichi |
| SATO Koichiro | lost to | WATANABE Keiichi |
| TSUKAMOTO Kazuma | won against | WATANABE Keiichi |
| ITO Junya | won against | WATANABE Keiichi |
| SATO Koichiro | won against | WATANABE Keiichi |
| WATANABE Keiichi | 38-26 | ISHIKAWA Akira |
| SUKO Masayuki | 46-18 | WATANABE Keiichi |
| WATANABE Keiichi | 47-17 | OHHASHI Tomoshige |
| GOTO Masahiro | 49-15 | WATANABE Keiichi |
| WATANABE Keiichi | 43-21 | OHTAKE Kosuke |
| OKUDA Tsuyoshi | lost to | WATANABE Keiichi |
| WATANABE Keiichi | won against | SHUTSUKU Mizuki |
| ITO Junya | won against | WATANABE Keiichi |
| HITO Hitoshi | won against | WATANABE Keiichi |
| SATO Tetsuya | lost to | WATANABE Keiichi |
| KURITA Seiya | won against | WATANABE Keiichi |
| WATANABE Hideaki | won against | WATANABE Keiichi |
| TATSUMI-IIJIMA Yukiko | won against | WATANABE Keiichi |
| WATANABE Keiichi | lost to | NISHIYAMA Momoko |
| WATANABE Keiichi | won against | SANO Yoko |
| WATANABE Keiichi | lost to | SHIMONOSONO Kozo |
| WATANABE Keiichi | won against | SHINOHARA Jun |
| WATANABE Hideaki | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | NARIYA Makoto |
| AKIYAMA Tatsumi | won against | WATANABE Keiichi |
| OZAWA Kou | lost to | WATANABE Keiichi |
| KOMAGATA Masayuki | won against | WATANABE Keiichi |
| AZUMA Hideki | won against | WATANABE Keiichi |
| IMAI Daiki | lost to | WATANABE Keiichi |
| YAMAGUCHI Yoshiaki | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | TOEI Makoto |
| HITO Hitoshi | won against | WATANABE Keiichi |
| OKAMOTO Akihiko | lost to | WATANABE Keiichi |
| WAKIMOTO Naoyuki | won against | WATANABE Keiichi |
| WAKIMOTO Naoyuki | lost to | WATANABE Keiichi |
| WATANABE Keiichi | lost to | KINOSHITA Tsutomu |
| WATANABE Keiichi | won against | KUDOU Hiroshi |
| IZUMI Takashi | won against | WATANABE Keiichi |
| TAKASHIMA Ryoji | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | EBISAWA Yoshiyuki |
| WATANABE Keiichi | won against | SATO Takuma |
| KURAMOCHI Yuta | 35-29 | WATANABE Keiichi |
| YAMAZAKI Nobuyuki | 52-12 | WATANABE Keiichi |
| WATANABE Keiichi | 39-25 | OZAKI Yoshito |
| TANAKA Kensuke | 33-31 | WATANABE Keiichi |
| WATANABE Keiichi | 36-28 | KOJI Takahiro |
| SANO Yoko | 46-18 | WATANABE Keiichi |
| TANAKA Atsushi | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | HISHIYAMA Yuichi |
| YAMAZAKI Nobuyuki | won against | WATANABE Keiichi |
| NAKAMURA Yuya | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | KAWAGUCHI Genki |
| NAKANO Jo | won against | WATANABE Keiichi |
| NAKAJIMA Tetsuya | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | TAKAHASHI Kanji |
| ITO Junya | won against | WATANABE Keiichi |
| OHNO Atsuko | won against | WATANABE Keiichi |
| KOMAGATA Masayuki | won against | WATANABE Keiichi |
| WATANABE Keiichi | lost to | HAMADA Kikue |
| ASAHINA Satoshi | won against | WATANABE Keiichi |
| YAMAMOTO Kunihiro | won against | WATANABE Keiichi |
| WATANABE Keiichi | lost to | KOSHINO Kazuhiko |
| TAKIGAWA Mitsuaki | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | MASUDA Letaka |
| WATANABE Keiichi | won against | KAWAGUCHI Hayato |
| WATANABE Keiichi | won against | SUGISAKI Harumi |
| ISHII Kiyotaka | won against | WATANABE Keiichi |
| OHMORI Keita | won against | WATANABE Keiichi |
| SHIMIZU Kenko | lost to | WATANABE Keiichi |
| SANO Yoko | won against | WATANABE Keiichi |
| KITAJIMA Masato | won against | WATANABE Keiichi |
| OHNO Atsuko | won against | WATANABE Keiichi |
2007-12-29: 5th king state cup 2007(Japan)
2007-12-24: 5th king state special(Japan)
2007-12-15: 18th king state cup 2007 A(Japan)
2007-12-09: 4th King State cup special 2007(Japan)
2007-11-25: 206th Kawagoe ranking game(Japan)
2007-11-17: 17th giant king state cup(Japan)
2007-11-03: 41_Shinagawa_open(Japan)
2007-10-27: 3rd giant king state special(Japan)
2007-10-14: 9th Ueno Open(Japan)
2007-10-13: 32nd challenge cup - A(Japan)
2007-10-06: 40th Shinagawa seaside opening(Japan)
2007-10-06: 40_Shinagawa_open(Japan)
2007-09-23: 2nd giant king special(Japan)
2007-09-09: 8th Ueno Open(Japan)
2007-09-02: 39th Shinagawa seaside tournament(Japan)
2007-09-01: 39_Shinagawa_open(Japan)
2007-08-04: 38_Shinagawa_open(Japan)
2007-07-07: 37_Shinagawa_open(Japan)
2007-06-10: 6th Ueno Open(Japan)
2007-06-09: 29th Chiyarenshi Open(Japan)
2007-06-02: 36_Shinagawa_open(Japan)
2007-05-05: 35_Shinagawa_open(Japan)
2007-04-07: 34_Shinagawa_open(Japan)
2007-03-03: 33_Shinagawa_open(Japan)
2007-02-10: 25th Chirayenji Open(Japan)
2007-02-03: 32_Shinagawa_open(Japan)
| SATO Koichiro | lost to | WATANABE Keiichi |
| KURACHI Takayuki | won against | WATANABE Keiichi |
| SAWADA Tomohiro | won against | WATANABE Keiichi |
| OKUDA Tsuyoshi | lost to | WATANABE Keiichi |
| NAGASHIMA Kazuhito | won against | WATANABE Keiichi |
| KATO Keisuke | won against | WATANABE Keiichi |
| YAMAZAKI Nobuyuki | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | KOBAYASHI Oh |
| ENOMOTO Yasuhiro | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | NAKANO Jo |
| NAKAMURA Yuya | lost to | WATANABE Keiichi |
| WATANABE Hideaki | won against | WATANABE Keiichi |
| IWATA Hiroyuki | lost to | WATANABE Keiichi |
| MURAKAMI Takeshi | won against | WATANABE Keiichi |
| NAKAJIMA Tetsuya | won against | WATANABE Keiichi |
| AZUMA Hideki | won against | WATANABE Keiichi |
| IIJIMA Takamune | won against | WATANABE Keiichi |
| WATANABE Hajime | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | TAKEDA Kyoko |
| KOIDE Satoshi | lost to | WATANABE Keiichi |
| SUKO Masayuki | won against | WATANABE Keiichi |
| ITO Junya | won against | WATANABE Keiichi |
| NAGASHIMA Kazuhito | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | NAGAMATSU Ryota |
| MURAKAMI Takeshi | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | KAWAGUCHI Hayato |
| WATANABE Keiichi | lost to | TAKIGAWA Mitsuaki |
| WATANABE Keiichi | won against | TAKASHIMA Ryoji |
| WATANABE Keiichi | won against | KITAJIMA Masato |
| AZUMA Hideki | won against | WATANABE Keiichi |
| NAKAMURA Yuya | won against | WATANABE Keiichi |
| NAGASHIMA Kazuhito | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | OKAMOTO Akihiko |
| SUKO Masayuki | won against | WATANABE Keiichi |
| TATSUMI-IIJIMA Yukiko | 52-12 | WATANABE Keiichi |
| WATANABE Keiichi | won against | NAKAMURA Shunsuke |
| WATANABE Keiichi | 34-30 | SANO Yoko |
| WATANABE Keiichi | 43-21 | SATO Tetsuya |
| WATANABE Keiichi | 49-15 | MASUDA Letaka |
| TAKEISHI Takuya | 50-14 | WATANABE Keiichi |
| NAGASAKI Hidekazu | lost to | WATANABE Keiichi |
| WATANABE Keiichi | won against | SATO Tetsuya |
| NAKAJIMA Tetsuya | won against | WATANABE Keiichi |
| TATSUMI-IIJIMA Yukiko | won against | WATANABE Keiichi |
| TAMAKI Kyotaro | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | KOIDE Satoshi |
| WATANABE Keiichi | won against | OBAMA Satomi |
| TAMAKI Kyotaro | won against | WATANABE Keiichi |
| SATAKE Yosuke | won against | WATANABE Keiichi |
| NAGAO Hiroto | won against | WATANABE Keiichi |
| KURITA Seiya | won against | WATANABE Keiichi |
| MASUDA Letaka | lost to | WATANABE Keiichi |
| NAKAMURA Yuya | won against | WATANABE Keiichi |
| WATANABE Hideaki | won against | WATANABE Keiichi |
| KOBAYASHI Manabu | won against | WATANABE Keiichi |
| TANAKA Atsushi | won against | WATANABE Keiichi |
| TAKEISHI Takuya | won against | WATANABE Keiichi |
| KOBAYASHI Oh | 32-32 | WATANABE Keiichi |
| KOMAGATA Masayuki | won against | WATANABE Keiichi |
| MORI Takahiro | won against | WATANABE Keiichi |
| KOSHINO Kazuhiko | won against | WATANABE Keiichi |
| TAKIGAWA Mitsuaki | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | NISHIYAMA Momoko |
| WATANABE Keiichi | won against | KOBAYASHI Oh |
| KOMAGATA Masayuki | 53-11 | WATANABE Keiichi |
| MORI Takahiro | 45-19 | WATANABE Keiichi |
| KOSHINO Kazuhiko | 40-24 | WATANABE Keiichi |
| TAKIGAWA Mitsuaki | 40-24 | WATANABE Keiichi |
| WATANABE Keiichi | 56-08 | NISHIYAMA Momoko |
| ISHIWATA Yoshikazu | won against | WATANABE Keiichi |
| SUKO Masayuki | won against | WATANABE Keiichi |
| KOBAYASHI Kasa | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | ITAGAKI Yoko |
| HADA Jun | lost to | WATANABE Keiichi |
| KATO Tomihiro | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | SATO Tetsuya |
| KURAMOCHI Yuta | won against | WATANABE Keiichi |
| KURACHI Takayuki | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | SHIMONOSONO Kozo |
| KANDA Yoshihiro | won against | WATANABE Keiichi |
| WATANABE Keiichi | lost to | KOBAYASHI Manabu |
| TAKANASHI Yusuke | lost to | WATANABE Keiichi |
| IIJIMA Takamune | won against | WATANABE Keiichi |
| WATANABE Keiichi | lost to | TANAKA Kazuo |
| WATANABE Keiichi | won against | OKUDA Tsuyoshi |
| WATANABE Keiichi | won against | NAKANO Masaru |
| KOBAYASHI Manabu | 41-23 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | TAKANASHI Yusuke |
| IIJIMA Takamune | 46-18 | WATANABE Keiichi |
| TANAKA Kazuo | 38-26 | WATANABE Keiichi |
| WATANABE Keiichi | 48-16 | OKUDA Tsuyoshi |
| WATANABE Keiichi | 37-27 | NAKANO Masaru |
| URASHIMA Mei | 48-16 | WATANABE Keiichi |
| WATANABE Keiichi | 38-26 | TAKIGAWA Mitsuaki |
| TAKEISHI Takuya | 34-30 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | HAMADA Kikue |
| WATANABE Hideaki | 33-31 | WATANABE Keiichi |
| KANOU Yuki | 44-20 | WATANABE Keiichi |
| WATANABE Hideaki | 44-20 | WATANABE Keiichi |
| WATANABE Keiichi | 45-19 | TAKIGAWA Mitsuaki |
| WATANABE Keiichi | won against | KIMIZUKA Yuki |
| TANAKA Amane | 38-26 | WATANABE Keiichi |
| KAWAGUCHI Yuuki | 51-13 | WATANABE Keiichi |
| AKIYAMA Tatsumi | 38-26 | WATANABE Keiichi |
| NAGASHIMA Kazuhito | won against | WATANABE Keiichi |
| TANAKA Michiko | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | SHIMONOSONO Kozo |
| WATANABE Keiichi | won against | NISHIYAMA Momoko |
| IKEDA Atsuhiko | won against | WATANABE Keiichi |
| KOBAYASHI Manabu | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | HAMADA Kikue |
| WATANABE Keiichi | won against | MASUDA Letaka |
| KATO Taiji | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | OHNO Atsuko |
| SATO Koichiro | won against | WATANABE Keiichi |
| YAMAGUCHI Yoshiaki | 44-20 | WATANABE Keiichi |
| KAWAGUCHI Hayato | 34-30 | WATANABE Keiichi |
| WATANABE Keiichi | 49-15 | TANAKA Michiko |
| TANIDA Kunihiko | 42-22 | WATANABE Keiichi |
| WATANABE Keiichi | 39-25 | KOBAYASHI Manabu |
| OHNO Atsuko | 34-30 | WATANABE Keiichi |
| NAGASAKI Hidekazu | 53-11 | WATANABE Keiichi |
| KAWAGUCHI Yuuki | 41-23 | WATANABE Keiichi |
| WATANABE Keiichi | 61-03 | SATO Tetsuya |
| WATANABE Keiichi | 48-16 | SAKUSAI Yoshinari |
| WATANABE Keiichi | 40-24 | NISHIYAMA Momoko |
| NARIYA Makoto | 60-04 | WATANABE Keiichi |
| OKUDA Tsuyoshi | 40-24 | WATANABE Keiichi |
| WATANABE Keiichi | 39-25 | KAWAGUCHI Yuuki |
| WATANABE Keiichi | 36-28 | SAKUSAI Yoshinari |
| WATANABE Keiichi | 44-20 | SHIMONOSONO Kozo |
| KATO Taiji | 42-22 | WATANABE Keiichi |
| WATANABE Keiichi | 50-14 | TANAKA Amane |
| WATANABE Keiichi | 44-20 | IIJIMA Takamune |
| OKUDA Tsuyoshi | 46-18 | WATANABE Keiichi |
| OKAMOTO Akihiko | 44-20 | WATANABE Keiichi |
| YAMAKAWA Takashi | 57-07 | WATANABE Keiichi |
| SATO Tetsuya | 51-13 | WATANABE Keiichi |
| WATANABE Keiichi | 51-13 | HINO Kazue |
| OHNAKA Kenichiro | won against | WATANABE Keiichi |
| WATANABE Keiichi | lost to | TAKIGAWA Mitsuaki |
| WATANABE Keiichi | won against | HATAKEYAMA Tomohiro |
| MORI Takahiro | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | SAKURAI Takeuchi |
| WATANABE Keiichi | won against | OHUCHI Yasuhiro |
| SAWAKI Yusuke | 41-23 | WATANABE Keiichi |
| OHNO Atsuko | 45-19 | WATANABE Keiichi |
| WATANABE Keiichi | 40-24 | KIMURA Masashi |
| WATANABE Keiichi | 50-14 | MITSUHASHI Toshiyuki |
| SHIMONOSONO Kozo | 36-28 | WATANABE Keiichi |
| TANAKA Amane | 49-15 | WATANABE Keiichi |
2006-12-14: 4th Tatebayashi Open(Japan)
2006-12-09: 23rd Chiyarenshi Open(Japan)
2006-12-02: 31_Shinagawa_open(Japan)
2006-11-28: 3rd Tatebayashi Open(Japan)
2006-11-25: 3rd Tatebayashi Open(Japan)
2006-11-11: 22nd Chiyarenshi Open(Japan)
2006-11-04: 30_Shinagawa_open(Japan)
2006-10-29: 1st Tatebayashi Open(Japan)
2006-09-09: 20th Chiyarenshi Open(Japan)
2006-09-02: 28_Shinagawa_open(Japan)
2006-07-01: 26_Shinagawa_open(Japan)
2006-06-03: 25_Shinagawa_open(Japan)
2006-05-06: 24_Shinagawa_open(Japan)
2006-04-08: 23_Shinagawa_open(Japan)
2006-03-26: 27_Meijin(Japan)
2006-03-11: 22_Shinagawa_open(Japan)
2006-01-14: 21_Shinagawa_open(Japan)
| WATANABE Keiichi | won against | YAMAMOTO Kunihiro |
| WATANABE Keiichi | won against | OHUCHI Yasuhiro |
| WATAHIKI Kenta | won against | WATANABE Keiichi |
| SAWADA Tomohiro | 32-32 | WATANABE Keiichi |
| WATANABE Keiichi | won against | HINO Kazue |
| TAKASE Humiya | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | HAYAKAWA Shigeru |
| TAKANASHI Yusuke | won against | WATANABE Keiichi |
| OKUDA Tsuyoshi | won against | WATANABE Keiichi |
| OHNO Atsuko | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | SATO Tetsuya |
| MATSUZAWA Atsushi | won against | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | KOYAMA Yasuyuki |
| WATANABE Keiichi | 42-22 | OHTAKE Kosuke |
| ISHIHARA Makoto | 38-26 | WATANABE Keiichi |
| KOIDE Satoshi | 51-13 | WATANABE Keiichi |
| KOSHINO Kazuhiko | 55-09 | WATANABE Keiichi |
| IIJIMA Takamune | 34-30 | WATANABE Keiichi |
| OHUCHI Yasuhiro | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | OKUDA Tsuyoshi |
| TANIGAWA Hisashi | lost to | WATANABE Keiichi |
| NAGASHIMA Kazuhito | won against | WATANABE Keiichi |
| TAKASHIMA Ryoji | won against | WATANABE Keiichi |
| AKITA Takuma | 32-32 | WATANABE Keiichi |
| WATANABE Keiichi | won against | KOIDE Satoshi |
| WATANABE Keiichi | lost to | YAMAGUCHI Yoshiaki |
| WATANABE Keiichi | won against | SATO Koichiro |
| WATANABE Keiichi | won against | NAGAO Hiroto |
| WATANABE Keiichi | won against | SATO Tetsuya |
| OKAMOTO Akihiko | won against | WATANABE Keiichi |
| YAMAMOTO Kunihiro | won against | WATANABE Keiichi |
| MITSUYA Nobuaki | won against | WATANABE Keiichi |
| WATAHIKI Kenta | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | SAKURAI Takeuchi |
| WATAHIKI Kenta | 45-19 | WATANABE Keiichi |
| WATANABE Keiichi | 47-17 | TANAKA Amane |
| WATANABE Keiichi | 37-27 | NARIYA Makoto |
| WATANABE Keiichi | 44-20 | SUKO Masayuki |
| SATO Koichiro | 43-21 | WATANABE Keiichi |
| KIKUKAWA Takamichi | 48-16 | WATANABE Keiichi |
| WATANABE Keiichi | won against | SAITO Tomihasa |
| WATANABE Keiichi | won against | KITAJIMA Masato |
| NAGASAKI Hidekazu | lost to | WATANABE Keiichi |
| NAKAJIMA Tetsuya | won against | WATANABE Keiichi |
| TAKASHIMA Ryoji | won against | WATANABE Keiichi |
| TAKASE Humiya | won against | WATANABE Keiichi |
| TAKANASHI Yusuke | won against | WATANABE Keiichi |
| HAMADA Kikue | won against | WATANABE Keiichi |
| KOIDE Satoshi | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | HAYAKAWA Shigeru |
| WATANABE Keiichi | won against | HIGUCHI Sayuki |
| NOGAMI Yoshiyuki | won against | WATANABE Keiichi |
| TAKASAKI Shohei | 41-23 | WATANABE Keiichi |
| NARIYA Makoto | 42-22 | WATANABE Keiichi |
| WATANABE Keiichi | 37-27 | HORIUCHI Keiko |
| OKAWA Akira | 41-23 | WATANABE Keiichi |
| WATANABE Keiichi | 50-14 | TAKEDA Kyoko |
| WATANABE Hajime | 33-31 | WATANABE Keiichi |
| SATO Koichiro | 43-21 | WATANABE Keiichi |
| NARIYA Makoto | 34-30 | WATANABE Keiichi |
| MORI Takahiro | 35-29 | WATANABE Keiichi |
| WATANABE Keiichi | 44-20 | SATO Tetsuya |
| ENOMOTO Yasuhiro | 39-25 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | HAMADA Atsushi |
| KOZUKA Katsuhiko | 44-20 | WATANABE Keiichi |
| IIJIMA Takamune | 58-06 | WATANABE Keiichi |
| KOIDE Satoshi | 58-06 | WATANABE Keiichi |
| WATANABE Keiichi | 40-24 | UEMURA Urakami |
| KOBAYASHI Manabu | 39-25 | WATANABE Keiichi |
| SATAKE Yosuke | 43-21 | WATANABE Keiichi |
| WATANABE Keiichi | 38-26 | OHUCHI Yasuhiro |
| HAYASHI Yusuke | 41-23 | WATANABE Keiichi |
| WATANABE Keiichi | 46-18 | YASHIRO Miyabi |
| ITAGAKI Kenichi | 53-11 | WATANABE Keiichi |
| WATANABE Keiichi | 44-20 | KOBAYASHI Manabu |
| MITSUYA Nobuaki | 46-18 | WATANABE Keiichi |
| WATANABE Keiichi | 43-21 | KOBAYASHI Oh |
| NAKAJIMA Tetsuya | 52-12 | WATANABE Keiichi |
| KURACHI Takayuki | 46-18 | WATANABE Keiichi |
| SATAKE Yosuke | 57-07 | WATANABE Keiichi |
| WATANABE Keiichi | 40-24 | OHNO Atsuko |
| WATANABE Keiichi | 34-30 | HAYAKAWA Shigeru |
| WATANABE Keiichi | 64-00 | SAWAKI Yusuke |
| HOSHI Ryuichi | 64-00 | WATANABE Keiichi |
| ASOU Daisuke | 64-00 | WATANABE Keiichi |
| SATANI Tetsu | 64-00 | WATANABE Keiichi |
| KOMAGATA Masayuki | 64-00 | WATANABE Keiichi |
| WATANABE Keiichi | 64-00 | MORI Takahiro |
| HAYASHI Yusuke | 64-00 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | IIJIMA Takamune |
| NAKAJIMA Tetsuya | 50-14 | WATANABE Keiichi |
| WATANABE Keiichi | 54-10 | UEMURA Takahiro |
| SUEKUNI Makoto | 46-18 | WATANABE Keiichi |
| TATSUMI-IIJIMA Yukiko | 36-28 | WATANABE Keiichi |
| OHMORI Keita | 38-26 | WATANABE Keiichi |
| SUKO Masayuki | 55-09 | WATANABE Keiichi |
| KOIDE Satoshi | 35-29 | WATANABE Keiichi |
| MITSUYA Nobuaki | 34-30 | WATANABE Keiichi |
| WATANABE Keiichi | won against | MORITA Sachiyo |
| SHIMONOSONO Kozo | 35-29 | WATANABE Keiichi |
2005-12-10: 20_Shinagawa_open(Japan)
2005-11-12: 19_Shinagawa_open(Japan)
2005-10-30: 7_large_Endo_open(Japan)
2005-10-15: 18_Shinagawa_open(Japan)
2005-09-17: 17_Shinagawa_open(Japan)
2005-07-09: 15_Shinagawa_open(Japan)
2005-06-04: 14_Shinagawa_open(Japan)
2005-05-07: 13_Shinagawa_open(Japan)
2005-04-09: 12_Shinagawa_open(Japan)
2005-03-21: Shinagawa International 2005(Japan)
2005-03-20: 26_Meijin(Japan)
2005-03-12: 11_Shinagawa_open(Japan)
2005-02-12: 10_Shinagawa_open(Japan)
2005-01-15: 9_Shinagawa_open(Japan)
| TAKENOBU Kosuke | 57-07 | WATANABE Keiichi |
| KANOU Yuki | 49-15 | WATANABE Keiichi |
| WATANABE Keiichi | 44-20 | NAKAMURA Yuya |
| WATANABE Keiichi | 45-19 | KAWABATA Seiji |
| WATANABE Keiichi | 45-19 | OKUDA Tsuyoshi |
| WATANABE Hajime | 37-27 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | YASHIRO Miyabi |
| NAKAMURA Yuya | 53-11 | WATANABE Keiichi |
| OKUDA Tsuyoshi | 38-26 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | HAMADA Kikue |
| SHIMIZU Kouichi | 35-29 | WATANABE Keiichi |
| WATANABE Keiichi | 32-32 | OKUDA Tsuyoshi |
| FUNATSU Asuka | 41-23 | WATANABE Keiichi |
| SATAKE Yosuke | 45-19 | WATANABE Keiichi |
| MITSUYA Nobuaki | 32-32 | WATANABE Keiichi |
| SHIMIZU Kouichi | 40-24 | WATANABE Keiichi |
| WATANABE Keiichi | 61-03 | NOGAMI Yoshiyuki |
| TODA Tomoya | 40-24 | WATANABE Keiichi |
| WATANABE Keiichi | 61-03 | KOBAYASHI Oh |
| SATO Koichiro | 34-30 | WATANABE Keiichi |
| KASHIWAGI Mitsuyoshi | 46-18 | WATANABE Keiichi |
| FURUKAWA Kazuhiro | 42-22 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | SHIMONOSONO Kozo |
| OKUDA Tsuyoshi | 46-18 | WATANABE Keiichi |
| MIYASHITA Naoto | 47-17 | WATANABE Keiichi |
| SATO Tetsuya | 37-27 | WATANABE Keiichi |
| IZUMI Takashi | 53-11 | WATANABE Keiichi |
| SHUICHI Tsuda | 54-10 | WATANABE Keiichi |
| WATANABE Keiichi | 36-28 | HIKARU Hidemi |
| TAKATA Senri | 52-12 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | UEMURA Yoshihiro |
| IBATA Kensuke | 54-10 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | MITSUYA Nobuaki |
| KASHIWAGI Mitsuyoshi | 43-21 | WATANABE Keiichi |
| TODA Tomoya | 36-28 | WATANABE Keiichi |
| SATO Tetsuya | 43-21 | WATANABE Keiichi |
| WATANABE Keiichi | 52-12 | OGAWA Daisuke |
| TAKASAKI Shohei | 50-14 | WATANABE Keiichi |
| WATANABE Keiichi | 38-26 | MIYAKE Yasuo |
| WATANABE Keiichi | 54-10 | NOMARU Masa |
| TANIDA Kunihiko | 39-25 | WATANABE Keiichi |
| WATANABE Keiichi | 34-30 | NOGAMI Yoshiyuki |
| WATANABE Keiichi | 42-22 | ISOBE Seiji |
| TAKEDA Kyoko | 34-30 | WATANABE Keiichi |
| WATANABE Keiichi | 42-22 | SATO Tetsuya |
| IIDA Hiroshi | 43-21 | WATANABE Keiichi |
| WATANABE Keiichi | 46-18 | KOYAMA Yasuyuki |
| KAWABATA Seiji | won against | WATANABE Keiichi |
| TAKAMIZU Suzuyo | 45-19 | WATANABE Keiichi |
| WATANABE Keiichi | 53-11 | NOGAMI Yoshiyuki |
| WATANABE Keiichi | 50-14 | SUKO Masayuki |
| WATANABE Keiichi | 47-17 | SATO Tetsuya |
| WATANABE Keiichi | 49-15 | SHIMONOSONO Kozo |
| IZUMI Takashi | 53-11 | WATANABE Keiichi |
| SHIMIZU Kouichi | 33-31 | WATANABE Keiichi |
| KAWABATA Seiji | 47-17 | WATANABE Keiichi |
| WATANABE Keiichi | 59-04 | NONAKA Kawakami |
| WATANABE Keiichi | 37-27 | KOSHINO Kazuhiko |
| WATANABE Keiichi | 36-28 | SANO Yoko |
| OHUCHI Yasuhiro | 37-27 | WATANABE Keiichi |
| WATANABE Keiichi | 46-18 | MUKAI Daisuke |
| SATOMI Satoshi | 59-05 | WATANABE Keiichi |
| WATANABE Keiichi | 50-14 | KOMATZU Yoshiaki |
| MATSUMOTO Hiroyuki | 57-07 | WATANABE Keiichi |
| SAWAKI Yusuke | 43-21 | WATANABE Keiichi |
| WATANABE Keiichi | 40-24 | NAKAYAMA Takahiro |
| WATANABE Keiichi | 38-26 | SAWAKI Yusuke |
| AIHARA Shigeaki | 47-17 | WATANABE Keiichi |
| TAKASHIMA Ryoji | 36-28 | WATANABE Keiichi |
| YAMAGUCHI Yoshiaki | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | TATSUMI-IIJIMA Yukiko |
| OHYANAGI Masaki | 42-22 | WATANABE Keiichi |
| WATANABE Hajime | 50-14 | WATANABE Keiichi |
| WATANABE Keiichi | 43-21 | MAKINO Hiroko |
| ITO Yuji | 52-12 | WATANABE Keiichi |
| SAWA Kentaro | 33-31 | WATANABE Keiichi |
| WATANABE Hideaki | 33-31 | WATANABE Keiichi |
| WATANABE Keiichi | 52-12 | HORIUCHI Keiko |
| WATANABE Keiichi | 38-26 | TAKATA Senri |
| WATANABE Keiichi | 50-14 | OMODERA Osamu |
| IIDA Hiroshi | 36-28 | WATANABE Keiichi |
| NAKAJIMA Tetsuya | 41-23 | WATANABE Keiichi |
| SHIMONOSONO Kozo | 42-22 | WATANABE Keiichi |
| TACHIKI Akira | 35-29 | WATANABE Keiichi |
2004-12-11: 8_Shinagawa_open(Japan)
2004-11-13: 7_Shinagawa_open(Japan)
2004-10-02: 6_Shinagawa_open(Japan)
2004-09-11: 5_Shinagawa_open(Japan)
2004-07-03: 3_Shinagawa_open(Japan)
2004-06-12: 2_Shinagawa_open(Japan)
2004-03-27: 25_Meijin_open(Japan)
| WATANABE Keiichi | 39-25 | SHUICHI Tsuda |
| SATAKE Yosuke | 36-28 | WATANABE Keiichi |
| SAWAKI Yusuke | 47-17 | WATANABE Keiichi |
| WATANABE Keiichi | 47-17 | NAGAO Noriaki |
| KITAJIMA Hideki | 44-20 | WATANABE Keiichi |
| OHMORI Keita | 38-26 | WATANABE Keiichi |
| TAKATA Senri | 46-18 | WATANABE Keiichi |
| YAMAKAWA Takashi | 50-14 | WATANABE Keiichi |
| WATANABE Keiichi | 42-22 | KOBAYASHI Manabu |
| HAYASHI Yusuke | 57-07 | WATANABE Keiichi |
| WATANABE Keiichi | 48-16 | IWASAKI Takaaki |
| WATANABE Keiichi | 34-30 | NOGAMI Yoshiyuki |
| SHIMONOSONO Kozo | 33-31 | WATANABE Keiichi |
| WATANABE Keiichi | 39-25 | KOBAYASHI Manabu |
| KOUKAWA Satoshi | 42-22 | WATANABE Keiichi |
| WATANABE Keiichi | 51-13 | NAKAJIMA Yukari |
| WATANABE Keiichi | 47-17 | TAKASHIMA Yun |
| WATANABE Keiichi | 37-27 | KIKUCHI Gou |
| TERAI Satoshi | 35-29 | WATANABE Keiichi |
| TANAKA Irie | 44-20 | WATANABE Keiichi |
| WATANABE Keiichi | 36-28 | TATSUMI-IIJIMA Yukiko |
| WATANABE Keiichi | 39-25 | DOJUN Makiko |
| WATANABE Keiichi | 39-25 | NISHIYAMA Momoko |
| WATANABE Keiichi | 43-21 | ENOMOTO Yasuhiro |
| KIUCHI Hideyuki | 40-24 | WATANABE Keiichi |
| SATAKE Yosuke | 45-19 | WATANABE Keiichi |
| WATANABE Keiichi | 38-26 | YOSHIDA Yoshiaki |
| WATANABE Keiichi | 36-28 | NISHIBA Yasuo |
| WATANABE Keiichi | 53-11 | SATO Tetsuya |
| WATANABE Keiichi | 36-28 | NAKAJIMA Yukari |
| YAMAKAWA Takashi | 42-22 | WATANABE Keiichi |
| WATANABE Keiichi | 60-04 | YASHIRO Miyabi |
| HOSHI Ryuichi | 44-20 | WATANABE Keiichi |
| WATANABE Keiichi | 40-24 | NOGAMI Yoshiyuki |
| WATANABE Keiichi | 44-20 | TANAKA Shuntaro |
| KOUKAWA Satoshi | 36-28 | WATANABE Keiichi |
| KIKUCHI Gou | 34-30 | WATANABE Keiichi |
| WATANABE Keiichi | 42-22 | OGURI Kenji |
| WATANABE Keiichi | 34-30 | IWASAKI Takaaki |
| KAGAWA Yoichi | 34-30 | WATANABE Keiichi |
| FUKUTOMI Kyou | 46-18 | WATANABE Keiichi |
| TODA Daisuke | 38-26 | WATANABE Keiichi |
| KADOWAKI Toshiaki | 37-27 | WATANABE Keiichi |
2003-03-22: 24_Meijin(Japan)
| WATANABE Keiichi | 37-27 | MURAOKA Toshio |
| TANIDA Kunihiko | 54-10 | WATANABE Keiichi |
| WATANABE Keiichi | 35-29 | HOSHI Ryuichi |
| KUDOMI Daisuke | 42-22 | WATANABE Keiichi |
| KUME Tomofumi | 57-07 | WATANABE Keiichi |
| WATANABE Keiichi | 64-00 | NISHIMURA Hidemi |
| ARAKI Yasuyuki | 42-22 | WATANABE Keiichi |
2002-03-03: 23rd Meijin(Japan)
| TAKENOBU Kosuke | won against | WATANABE Keiichi |
| KAGOTANI Hiroto | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | ISHIZAKI Hikaru |
| WATANABE Keiichi | won against | YAMAMURA Yuuki |
| WATANABE Keiichi | won against | SANO Hirotaka |
| TSUNOKONI Takahiro | won against | WATANABE Keiichi |
2001-08-05: 29th All Japan(Japan)
2001-05-01: Meijin(Japan)
| NAKAJIMA Tetsuya | won against | WATANABE Keiichi |
| ARAKI Yasuyuki | won against | WATANABE Keiichi |
| TANINO Takumi | won against | WATANABE Keiichi |
| KANDA Yoshihiro | 33-31 | WATANABE Keiichi |
| SHIMIZU Kouichi | 33-31 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | SAWADA Mari |
| TOBARI Masakazu | 33-31 | WATANABE Keiichi |
| WATANABE Keiichi | 33-31 | INOUE Tetsuya |
| WATANABE Keiichi | 33-31 | TAKEDA Kyoko |
| ESAKA Akira | 33-31 | WATANABE Keiichi |
1999-07-25: 27th All Japan(Japan)
| MURAKAMI Takeshi | won against | WATANABE Keiichi |
| KUNII Toshimi | won against | WATANABE Keiichi |
| MATSUI Takashi | won against | WATANABE Keiichi |
1998-07-27: 26th All Japan(Japan)
| ARAKI Yasuyuki | won against | WATANABE Keiichi |
| KAMEMOTO Osamu | won against | WATANABE Keiichi |
| WATANABE Keiichi | won against | YANAGIHARA Shigemi |