Ratings
IWATA Hiroyuki (Japan)
Japanese name(s): 岩田浩幸251 tournaments
1482 results
Player ID: 5686
Rated T119 in Japan and T137 in Asia&Oceania&Africa and T154 in the World
Latest rating: 2170
1482 results
Player ID: 5686
Rated T119 in Japan and T137 in Asia&Oceania&Africa and T154 in the World
Latest rating: 2170
2025-03-16: 45_Meijin(Japan)
2025-02-23: 2025_Tokyo_expert_games(Japan)
| IWATA Hiroyuki | won against | ISHIDA Ren | 
| MEISHO Yuta | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | KOSHINO Kazuhiko | 
| TAYAMA Tsubasa | 64-00 | IWATA Hiroyuki | 
| KINOSHITA Hisako | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | OHNO Tomohiro | 
| IWATA Hiroyuki | won against | ARAI Toshiko | 
| NISHIBAYASHI Touya | 46-18 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 43-21 | OHNO Atsuko | 
| KOMAGATA Masayuki | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 38-26 | TANIDA Kunihiko | 
| IWATA Hiroyuki | 37-27 | NAGATSUKA Ibuki | 
2024-06-30: 50_All_Japan_Tokyo_prelim_3(Japan)
2024-06-23: 50_All_Japan_Tokyo_prelim_2(Japan)
2024-06-09: 50_All_Japan_Tokyo_prelim_1(Japan)
| NISHIBAYASHI Touya | 44-20 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 47-17 | TAKAHASHI Hisashi | 
| IWATA Hiroyuki | 34-30 | TANIDA Kunihiko | 
| SHIRAI Yuga | 33-31 | IWATA Hiroyuki | 
| IWASHINA Ryosuke | 45-19 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 41-23 | KOMAGATA Masayuki | 
| IWATA Hiroyuki | won against | TAKAHASHI Hisashi | 
| IWATA Hiroyuki | won against | NISHIBAYASHI Touya | 
| SHIRAI Yuga | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 45-19 | ANDO Maki | 
| IWATA Hiroyuki | 39-25 | NAKAMORI Hiroki | 
| KITAJIMA Satoya | 38-26 | IWATA Hiroyuki | 
| NAKAMORI Hiroki | 44-20 | IWATA Hiroyuki | 
| GO Shinu | 48-16 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 44-20 | OHNO Atsuko | 
| IWATA Hiroyuki | 39-25 | KODOMA Shodai | 
| IWATA Hiroyuki | 43-21 | NISHIBAYASHI Touya | 
| URANO Kento | 40-24 | IWATA Hiroyuki | 
| KIYONOBU Kenta | 43-21 | IWATA Hiroyuki | 
2023-10-22: 49_All_Japan_Tokyo_prelim_2(Japan)
2023-10-08: 49_All_Japan_Tokyo_prelim_1(Japan)
2023-09-17: 15_Chiba_open(Japan)
| IWATA Hiroyuki | 35-29 | SUZUKI Youta | 
| IWATA Hiroyuki | 55-09 | MIYAMOTO Taketora | 
| SAKAGUCHI Kazuhiro | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 46-18 | NAGASAKI Hidekazu | 
| NAKAMORI Hiroki | 42-22 | IWATA Hiroyuki | 
| SOUDA Shun | 35-29 | IWATA Hiroyuki | 
| KANEKO Hikaru | 40-24 | IWATA Hiroyuki | 
| KITAJIMA Hideki | 55-09 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 44-20 | SASAKI Yasuyuki | 
| HONNA Kiyuu | 42-22 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 34-30 | MIYAMOTO Taketora | 
| SUZUKI Youta | 36-28 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 34-30 | TAJIMA Isao | 
| IWATA Hiroyuki | 39-25 | KOSHINO Kazuhiko | 
| IWATA Hiroyuki | 35-29 | TOMITA Yo | 
| IWATA Hiroyuki | 38-26 | IZUMI Takashi | 
| NAGANO Yasushi | 36-28 | IWATA Hiroyuki | 
| SUGIYAMA Keisuke | 44-20 | IWATA Hiroyuki | 
2019-10-20: 48_All_Japan_Tokyo_prelim_2(Japan)
2019-10-06: 48_All_Japan_Tokyo_prelim_1(Japan)
2019-03-24: 40_Meijin(Japan)
| IWATA Hiroyuki | 40-24 | TAKAHASHI Toshi | 
| TANIDA Kunihiko | 36-28 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 40-24 | OGINO Takeru | 
| KANEKO Hikaru | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 34-30 | GO Shinu | 
| IWATA Hiroyuki | 50-14 | ISHIKAWA Akira | 
| NAGISA Shougo | 53-11 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 39-25 | SHIRAI Yuga | 
| IWATA Hiroyuki | won against | MITANI Koutarou | 
| IWATA Hiroyuki | 38-26 | KOMAGATA Masayuki | 
| URANO Kento | 43-21 | IWATA Hiroyuki | 
| ABE Yura | 38-26 | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | KOBAYASHI Makoto | 
| YOSHINO Toru | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | IKEHATA Keiko | 
| TSUCHIYA Shotaro | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | SHIBANO Tatsunosuke | 
| ARAKI Yasuyuki | won against | IWATA Hiroyuki | 
| KITAJIMA Satoya | won against | IWATA Hiroyuki | 
2018-11-25: 47_All_Japan_championship(Japan)
2018-11-04: 47_All_Japan_Tokyo_prelim_2(Japan)
2018-10-21: 47_All_Japan_Tokyo_prelim_1(Japan)
2018-08-26: 13_Ouza_sen(Japan)
2018-07-15: 46_All_Japan_championship(Japan)
2018-06-17: 46_All_Japan_Tokyo_prelim_2(Japan)
2018-06-03: 46_All_Japan_Tokyo_prelim_1(Japan)
| IWATA Hiroyuki | won against | ITO Yuji | 
| FUKUNAGA Kohachi | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | NAGANO Yasushi | 
| MATSUMOTO Hiroshi | won against | IWATA Hiroyuki | 
| URANO Kento | won against | IWATA Hiroyuki | 
| SHIMIZU Naoki | won against | IWATA Hiroyuki | 
| GO Shinu | 40-24 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 45-19 | TAJIMA Isao | 
| IWATA Hiroyuki | 50-14 | NANASE Yuuma | 
| IWATA Hiroyuki | 33-31 | KITAJIMA Hideki | 
| IWATA Hiroyuki | 39-25 | TANIDA Kunihiko | 
| IWATA Hiroyuki | 42-22 | KOMAGATA Masayuki | 
| IWATA Hiroyuki | won against | NANASE Yuuma | 
| IWATA Hiroyuki | 33-31 | OKAMOTO Kazuki | 
| ITO Yuji | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 40-24 | TANIDA Kunihiko | 
| ABE Yura | 33-31 | IWATA Hiroyuki | 
| KIYONOBU Kenta | 45-19 | IWATA Hiroyuki | 
| HAYASAKA Toshie | 41-23 | IWATA Hiroyuki | 
| OSHIMIZU Takanori | 36-28 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 53-11 | TAGUCHI Amane | 
| IWATA Hiroyuki | 34-30 | TAKAMIZAWA Daiki | 
| IWATA Hiroyuki | 51-13 | TSUKAMOTO Kazuma | 
| IWATA Hiroyuki | 44-20 | KOYASHIKI Ken | 
| IWATA Hiroyuki | won against | SASAKI Sohei | 
| IWATA Hiroyuki | won against | OISHI Hiroki | 
| IWATA Hiroyuki | won against | ASAKAWA Takuya | 
| IWATA Hiroyuki | won against | SAJI Kouya | 
| NARA Souma | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | MURAKAMI Takeshi | 
| TAKAHASHI Hisashi | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 39-25 | NANASE Yuuma | 
| IWATA Hiroyuki | 42-22 | ATOBE Shuugo | 
| ASOU Daisuke | 35-29 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 38-26 | ISHIDA Kazuaki | 
| SASAKI Yasuyuki | 40-24 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 33-31 | SASAKI Yasuyuki | 
| KAMEDA Ryota | 46-18 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 51-13 | TAJIMA Isao | 
| IWATA Hiroyuki | 34-30 | SOUDA Shun | 
| IWATA Hiroyuki | 45-19 | NAKANO Jo | 
| OKAMOTO Kazuki | 39-25 | IWATA Hiroyuki | 
2017-06-18: 45_All_Japan_Tokyo_prelim_2(Japan)
2017-06-04: 45_All_Japan_Tokyo_prelim_1(Japan)
| SASAKI Yasuyuki | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 44-20 | SHIKAMURA Hiroki | 
| ISHIDA Kazuaki | 51-13 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 52-12 | NAKAZAWA Junichi | 
| OSHIMA Yusuke | 36-28 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 48-16 | NAKAMURA Kazuki | 
| IWATA Hiroyuki | 48-16 | SHIKAMURA Hiroki | 
| NAKANO Jo | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 50-14 | KOSHINO Kazuhiko | 
| IWATA Hiroyuki | 47-17 | KITAJIMA Hideki | 
| NAKAJIMA Tetsuya | 36-28 | IWATA Hiroyuki | 
| YAMAZAKI Nobuyuki | 43-21 | IWATA Hiroyuki | 
2016-07-17: 44_All_Japan_open_championship(Japan)
2016-06-19: 44_All_Japan_Tokyo_prelim_2(Japan)
2016-06-05: 44_All_Japan_Tokai_prelim_1(Japan)
2016-03-20: 37_Meijin(Japan)
| AKAGI Tachiro | won against | IWATA Hiroyuki | 
| YUUKI Kousei | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | KAMEMOTO Osamu | 
| KITAJIMA Hideki | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | YONEYAMA Keiichi | 
| IWATA Hiroyuki | won against | OSHIMA Yusuke | 
| IWATA Hiroyuki | 44-20 | NAGISA Shougo | 
| IWATA Hiroyuki | 43-21 | OHUCHI Yasuhiro | 
| IWATA Hiroyuki | 46-18 | ISHIKAWA Akira | 
| IWATA Hiroyuki | 37-27 | SOUDA Shun | 
| ASOU Daisuke | 36-28 | IWATA Hiroyuki | 
| OSHIMA Yusuke | 36-28 | IWATA Hiroyuki | 
| KAMEDA Ryota | 37-27 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 34-30 | SASAKI Yasuyuki | 
| KAMIKURA Daisuke | 45-19 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 54-10 | NAGISA Shougo | 
| KITAJIMA Hideki | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | 39-25 | SOUDA Shun | 
| IWATA Hiroyuki | 34-30 | KATSURA Hisatoshi | 
| MURAKAMI Takeshi | 42-22 | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | ARAKI Yasuyuki | 
| IWATA Hiroyuki | won against | NARA Souma | 
| TOMINAGA Kenta | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | MIYAOKA Tamaki | 
| SATANI Tetsu | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | SUGAWARA Misa | 
| SOUDA Shun | won against | IWATA Hiroyuki | 
2015-09-06: 10_Ouza_sen(Japan)
2015-07-19: 43_All_Japan_open_championship(Japan)
2015-07-05: 93_Kanagawa_open(Japan)
2015-06-07: 43_All_Japan_Tokyo_prelim_1(Japan)
2015-05-31: 14_Shinagawa_super_league(Japan)
2015-05-23: 101_Shinagawa_open(Japan)
2015-05-09: 95_Chiyarenshi_open(Japan)
2015-05-06: Kanto_champ_women_students_pr(Japan)
2015-04-29: 3_Tokyo_open(Japan)
2015-04-25: 100_Shinagawa_open(Japan)
2015-03-22: 36_Meijin(Japan)
2015-02-22: 13_Shinagawa_super_league(Japan)
2015-02-14: 92_Chiyarenshi_open(Japan)
2015-02-01: 2015_Tokyo_expert_games(Japan)
2015-01-24: 97_Shinagawa_open(Japan)
2015-01-10: 91_Chiyarenshi_open(Japan)
2015-01-03: Shinagawa_open_2015(Japan)
| SASAKI Sohei | 33-31 | IWATA Hiroyuki | 
| OHNO Tomohiro | 36-28 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 49-15 | TANIDA Kunihiko | 
| IWATA Hiroyuki | 40-24 | TAKENOBU Kosuke | 
| IWATA Hiroyuki | 39-25 | NARA Souma | 
| IWATA Hiroyuki | 45-19 | SAWAKI Yusuke | 
| IWATA Hiroyuki | won against | SATO Hisakazu | 
| SUEKUNI Makoto | won against | IWATA Hiroyuki | 
| AKAGI Tachiro | won against | IWATA Hiroyuki | 
| TANIDA Kunihiko | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | KAMEMOTO Osamu | 
| IWATA Hiroyuki | won against | MATSUYA Shinpei | 
| IWATA Hiroyuki | 47-17 | OHIKE Yoshinori | 
| KASAI Masaya | 39-25 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 45-19 | FUKUCHI Keisuke | 
| IWATA Hiroyuki | 44-20 | YAMAZAKI Nobuyuki | 
| IWATA Hiroyuki | 45-19 | SUZUKI Yuta | 
| IWATA Hiroyuki | 36-28 | TANIDA Kunihiko | 
| IWATA Hiroyuki | 33-31 | NISHIO Hakudo | 
| IWATA Hiroyuki | 33-31 | HASEGAWA Takeshi | 
| IWATA Hiroyuki | 37-27 | YAMAZAKI Nobuyuki | 
| SAKAGUCHI Kazuhiro | 41-23 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 42-22 | SAITO Riki | 
| IWATA Hiroyuki | 40-24 | SOUDA Shun | 
| NAKANO Jo | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | NAGAO Hiroto | 
| TAKANASHI Yusuke | 36-28 | IWATA Hiroyuki | 
| KIYONOBU Kenta | 39-25 | IWATA Hiroyuki | 
| SATANI Tetsu | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 33-31 | OHMORI Keita | 
| TAKIGAWA Mitsuaki | 42-22 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 46-18 | WATANABE Keiichi | 
| OHNO Atsuko | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 39-25 | SUGUWARA Kiyoshi | 
| IWATA Hiroyuki | won against | HISHIYAMA Yuichi | 
| NARUMI Hisatoshi | 34-30 | IWATA Hiroyuki | 
| NAGANO Yasushi | 41-23 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 36-28 | KURIHARA Aru | 
| ISHIKAWA Akira | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 35-29 | SOUDA Shun | 
| IWATA Hiroyuki | 34-30 | TATSUMI-IIJIMA Yukiko | 
| IWATA Hiroyuki | 34-30 | NARIYA Makoto | 
| NARIYA Makoto | 37-27 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 37-27 | TAKAHASHI Hisashi | 
| IWATA Hiroyuki | 34-30 | ITAGAKI Kenichi | 
| IWATA Hiroyuki | 39-25 | TATSUMI-IIJIMA Yukiko | 
| IWATA Hiroyuki | 32-32 | MURAKAMI Takeshi | 
| IWATA Hiroyuki | 47-17 | WATANABE Taichi | 
| HISHIYAMA Yuichi | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | IZUMI Takashi | 
| IWATA Hiroyuki | 39-25 | TATSUMI-IIJIMA Yukiko | 
| IWATA Hiroyuki | won against | OHMORI Keita | 
| SUEKUNI Makoto | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 37-27 | NARUMI Hisatoshi | 
| IWATA Hiroyuki | 34-30 | KAMIKURA Daisuke | 
| IWATA Hiroyuki | 34-30 | HISHIYAMA Yuichi | 
| IWATA Hiroyuki | 40-24 | NAKAZAWA Junichi | 
| IWATA Hiroyuki | 35-29 | MURAKAMI Takeshi | 
| IWATA Hiroyuki | 33-31 | NAKAJIMA Tetsuya | 
| IWATA Hiroyuki | won against | OKABAYASHI Noguchi | 
| NAKANO Takanao | won against | IWATA Hiroyuki | 
| TANIDA Kunihiko | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | SHINOHARA Jun | 
| IWATA Hiroyuki | won against | HORIUCHI Keiko | 
| NAGAO Hiroto | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | YOSHIYUKI Suganuma | 
| IWATA Hiroyuki | 37-27 | OHMORI Keita | 
| IWATA Hiroyuki | 39-25 | KURAHASHI Satoshi | 
| TAKANASHI Yusuke | won against | IWATA Hiroyuki | 
| SUEKUNI Makoto | 37-27 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 33-31 | MURAKAMI Takeshi | 
| YAMAKAWA Takashi | 37-27 | IWATA Hiroyuki | 
| SATANI Tetsu | 35-29 | IWATA Hiroyuki | 
| KURAHASHI Satoshi | 33-31 | IWATA Hiroyuki | 
| MURAKAMI Takeshi | 40-24 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 41-23 | SOUDA Shun | 
| TATSUMI-IIJIMA Yukiko | 34-30 | IWATA Hiroyuki | 
| GOTO Masahiro | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 42-22 | MATSUZAWA Masa | 
| NISHIO Hakudo | 39-25 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 33-31 | KAMIKURA Daisuke | 
| IWATA Hiroyuki | won against | ASAHINA Satoshi | 
| IWATA Hiroyuki | 37-27 | SHIRAI Ukyo | 
| NAKAJIMA Tetsuya | 39-25 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 34-30 | HISHIYAMA Yuichi | 
| IWATA Hiroyuki | 38-26 | NAKAZAWA Junichi | 
| IWATA Hiroyuki | 36-28 | TAKAHASHI Hisashi | 
| TOKI Yugo | 33-31 | IWATA Hiroyuki | 
| SOUDA Shun | 45-19 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 41-23 | WATANABE Keiichi | 
| IWATA Hiroyuki | 33-31 | TAKAHASHI Hisashi | 
| IWATA Hiroyuki | 34-30 | NAKAJIMA Tetsuya | 
| IWATA Hiroyuki | 39-25 | TATSUMI-IIJIMA Yukiko | 
| IWATA Hiroyuki | 34-30 | KURAHASHI Satoshi | 
| IWATA Hiroyuki | 35-29 | SUZUKI Yuta | 
| YAMAKAWA Takashi | 35-29 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 33-31 | KURIHARA Aru | 
| IWATA Hiroyuki | 33-31 | NAGAO Hiroto | 
| MATSUYA Shinpei | 36-28 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 36-28 | TANAKA Atsushi | 
| IWATA Hiroyuki | 42-22 | SHINOHARA Jun | 
| NAKAJIMA Tetsuya | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 38-26 | OKUDA Tsuyoshi | 
2014-12-27: 96_Shinagawa_open(Japan)
2014-09-13: 94_Shinagawa_open(Japan)
2014-08-31: 89_Kanagawa_open(Japan)
2014-07-13: 42_All_Japan_Championship(Japan)
2014-07-06: 88_Kanagawa_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)
2014-03-02: 87_Kanagawa_open(Japan)
| IWATA Hiroyuki | 33-31 | SUZUKI Yuta | 
| IWATA Hiroyuki | 40-24 | ISHIKAWA Akira | 
| IWATA Hiroyuki | 35-29 | KITANO Ochachi | 
| SUEKUNI Makoto | 34-30 | IWATA Hiroyuki | 
| NAKAJIMA Tetsuya | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 34-30 | IWAKURA Hiroaki | 
| IWATA Hiroyuki | 33-31 | ISHIKAWA Akira | 
| IWATA Hiroyuki | 35-29 | TAKAHASHI Hisashi | 
| IWATA Hiroyuki | 33-31 | YAMAKAWA Takashi | 
| KAMIKURA Daisuke | 38-26 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 34-30 | NAKANO Jo | 
| IWATA Hiroyuki | 38-26 | TATSUMI-IIJIMA Yukiko | 
| IWATA Hiroyuki | 37-27 | MITSUYA Nobuaki | 
| IWATA Hiroyuki | 45-19 | KURACHI Takayuki | 
| YAMAKAWA Takashi | 38-26 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 37-27 | HISHIYAMA Yuichi | 
| IWATA Hiroyuki | 55-09 | TESAKI Satoru | 
| OHMORI Keita | 39-25 | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | OHMAE Yoshihiro | 
| IWATA Hiroyuki | won against | OKAZAKI Taichi | 
| IWATA Hiroyuki | won against | MORI Takahiro | 
| IMOTO Wataru | won against | IWATA Hiroyuki | 
| TAKAHASHI Hisashi | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | OHUCHI Yasuhiro | 
| NAKAZAWA Junichi | 43-21 | IWATA Hiroyuki | 
| OKAMA Ayumi | 33-31 | IWATA Hiroyuki | 
| IWAKURA Hiroaki | 51-13 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 59-05 | ISHIDA Kazuaki | 
| IWATA Hiroyuki | 50-14 | TAKEDA Kyoko | 
| TATSUMI-IIJIMA Yukiko | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 34-30 | MITSUYA Nobuaki | 
| KAMIKURA Daisuke | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 35-29 | KOMAGATA Masayuki | 
| IWATA Hiroyuki | 37-27 | NAKANO Jo | 
| ITO Junya | 43-21 | IWATA Hiroyuki | 
| TAKIGAWA Mitsuaki | 41-23 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 38-26 | MABUCHI Yuta | 
| IWATA Hiroyuki | 38-26 | OHUCHI Yasuhiro | 
| NAKANO Jo | 34-30 | IWATA Hiroyuki | 
| WATANABE Hajime | 35-29 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 42-22 | WATANABE Keiichi | 
| FURUMOTO Yuki | 33-31 | IWATA Hiroyuki | 
| TANAKA Shuntaro | 37-27 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 35-29 | WATANABE Hajime | 
| IWATA Hiroyuki | 40-24 | KOSHINO Kazuhiko | 
| SAKAGUCHI Kazuhiro | 34-30 | IWATA Hiroyuki | 
| KOMAGATA Masayuki | 35-29 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 44-20 | SUZUKI Kenji | 
| HIURA Ryo | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 55-09 | FUKUI Hiroto | 
| IWATA Hiroyuki | 40-24 | KOMAGATA Masayuki | 
| IWATA Hiroyuki | 40-24 | ASOU Daisuke | 
| YAMAKAWA Takashi | 38-26 | IWATA Hiroyuki | 
2013-12-08: 149_Nagareyama_open(Japan)
2013-11-10: 2014_OWC_qualif(Japan)
2013-09-01: 8_Ouza_sen(Japan)
2013-07-14: 41_All_Japan_open_championhship(Japan)
2013-05-11: 81_Chiyarenshi_open(Japan)
2013-04-28: 2_Tokyo_open(Japan)
2013-04-13: 86_Shinagawa_open(Japan)
2013-03-31: 34_Meijin(Japan)
2013-03-03: 82_Kanagawa_open(Japan)
2013-02-16: 2013_Tokyo_expert_games(Japan)
2013-02-09: 85_Shinagawa_open(Japan)
2013-01-13: 144_Nagareyama_open(Japan)
2013-01-06: 81_Kanagawa_open(Japan)
2013-01-03: Shinagawa_open_2013(Japan)
| IWATA Hiroyuki | 34-30 | FUNATSU Asuka | 
| IWATA Hiroyuki | 38-26 | KOSHINO Kazuhiko | 
| TODA Tomoya | 36-28 | IWATA Hiroyuki | 
| TANAKA Atsushi | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 47-17 | HAYASAKA Toshie | 
| IWATA Hiroyuki | 38-26 | ISHIKAWA Akira | 
| ASAHINA Satoshi | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | KAGAWA Yoichi | 
| IWATA Hiroyuki | won against | HISHIYAMA Yuichi | 
| KIYONOBU Kenta | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | KURACHI Takayuki | 
| ASOU Daisuke | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | AKAGI Tachiro | 
| IWATA Hiroyuki | 44-20 | FUNATSU Asuka | 
| MURAKAMI Takeshi | 39-25 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 42-22 | UNO Toshihiro | 
| IWATA Hiroyuki | 40-24 | SATO Yutaka | 
| IWATA Hiroyuki | 39-25 | KINOSHITA Hisako | 
| IWATA Hiroyuki | 38-26 | KIYONOBU Kenta | 
| IWATA Hiroyuki | won against | URA Satoru | 
| IWATA Hiroyuki | won against | TAKIZAWA Masaki | 
| ITO Junya | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | MURAKAMI Takeshi | 
| TSUJI Shinji | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | KIYONOBU Kenta | 
| IWATA Hiroyuki | 45-19 | KANEKO Kodai | 
| NAKAJIMA Tetsuya | 37-27 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 40-24 | TAKAHASHI Hisashi | 
| TATSUMI-IIJIMA Yukiko | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | KIMURA Yuto | 
| HISHIYAMA Yuichi | 37-27 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 43-20 | HAYASHI Shihiro | 
| TAKAHASHI Hisashi | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 34-30 | TATSUMI-IIJIMA Yukiko | 
| IKEDA Yuki | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | 42-22 | MATSUDA Shoma | 
| HISHIYAMA Yuichi | 35-29 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 38-26 | TAKIGAWA Mitsuaki | 
| IWATA Hiroyuki | 41-23 | TATSUMI-IIJIMA Yukiko | 
| NAKAJIMA Tetsuya | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 34-30 | TOKI Hidenobu | 
| TOKI Yugo | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 38-26 | MIYAJI Hiroaki | 
| IWATA Hiroyuki | won against | NAGAO Hiroto | 
| IWATA Hiroyuki | won against | ISHIKAWA Akira | 
| IWATA Hiroyuki | won against | OKUDA Tsuyoshi | 
| IWATA Hiroyuki | won against | OHNO Tomohiro | 
| OKAMOTO Kazuki | won against | IWATA Hiroyuki | 
| GOTO Hiroshi | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | TAKAHASHI Hisashi | 
| IWATA Hiroyuki | 47-17 | AKAGI Tachiro | 
| IWATA Hiroyuki | 32-32 | MITSUYA Nobuaki | 
| IWATA Hiroyuki | 38-26 | TAKIGAWA Mitsuaki | 
| ITO Junya | 36-28 | IWATA Hiroyuki | 
| GOTO Masahiro | 39-25 | IWATA Hiroyuki | 
| TATENO Ryuuji | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 33-31 | KANEKO Kodai | 
| IWATA Hiroyuki | won against | TOKI Yugo | 
| IWATA Hiroyuki | 35-29 | MURAKAMI Takeshi | 
| IWATA Hiroyuki | 36-28 | ASAHINA Satoshi | 
| IWATA Hiroyuki | 34-30 | NAKAJIMA Tetsuya | 
| IWATA Hiroyuki | 34-30 | TANAKA Shuntaro | 
| IWATA Hiroyuki | 35-29 | NARUMI Hisatoshi | 
| IWATA Hiroyuki | 46-17 | MATSUMOTO Takaki | 
| IWATA Hiroyuki | 33-31 | KAMIKURA Daisuke | 
| IWATA Hiroyuki | 36-28 | TSUKAMOTO Kazuma | 
| NAKAJIMA Tetsuya | 37-27 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 34-30 | SUEKUNI Makoto | 
| IWATA Hiroyuki | 50-14 | TAYAMA Tsubasa | 
| MIYAZAKI Yuji | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 41-23 | HAYASAKA Toshie | 
| IWATA Hiroyuki | 34-30 | KAMIKURA Daisuke | 
| OHMORI Keita | 44-20 | IWATA Hiroyuki | 
| KOZUKA Katsuhiko | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 54-10 | FUJIE Hideki | 
| IWATA Hiroyuki | 37-27 | ISHIZAKI Hikaru | 
| IWATA Hiroyuki | 36-28 | NAGASAKI Hidekazu | 
| IWAKURA Hiroaki | 42-22 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 37-27 | ASAHINA Satoshi | 
| IWATA Hiroyuki | 42-22 | OHMORI Keita | 
| IWATA Hiroyuki | 43-21 | SHINOHARA Ryo | 
| ESAKI Yuta | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | 35-29 | NARUMI Hisatoshi | 
| KAMIKURA Daisuke | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 33-31 | KANEKO Kodai | 
| IWATA Hiroyuki | 41-23 | ABE Yura | 
| SUEKUNI Makoto | 38-26 | IWATA Hiroyuki | 
2012-12-23: 232_Kyoto_meeting(Japan)
2012-11-11: OWC2013_qualification(Japan)
2012-11-05: 80_Kanagawa_open(Japan)
2012-10-13: 78_Chiyarenshi_open(Japan)
2012-09-16: 8_Chiba_open(Japan)
2012-09-02: 7_Ouza_sen(Japan)
2012-08-26: 79_Kanagawa_open(Japan)
2012-08-12: 141_Nagareyama_open(Japan)
2012-08-11: 77_Chiyarenshi_open(Japan)
2012-07-18: 40_All_Japan_open_champ(Japan)
2012-06-24: 40_All_Japan_Tokyo_prelim_2(Japan)
2012-06-17: 40_All_Japan_Tokyo_prelim(Japan)
2012-05-27: 29_Kawagoe_11_period_queen_1_Oji_games(Japan)
2012-05-19: 81_Shinagawa_open(Japan)
2012-05-06: North_Kanto_expert_games_finals_2012(Japan)
2012-05-06: North_Kanto_expert_games_2012(Japan)
2012-05-04: 139_Nagareyama_open(Japan)
2012-04-15: 229_Kawagoe_ranking_games(Japan)
2012-03-18: 137_Nagareyama_open(Japan)
2012-03-11: 228_Kawagoe_ranking_games(Japan)
2012-03-04: Meijin_groupA(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)
| TAKAHASHI Hisashi | 33-31 | IWATA Hiroyuki | 
| KAWABATA Seiji | 42-22 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 56-08 | TANAKA Takaki | 
| IWATA Hiroyuki | 42-22 | TAKIGAWA Mitsuaki | 
| NAGAMATSU Ryota | 38-26 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 51-13 | ISHIKAWA Akira | 
| IWATA Hiroyuki | won against | TANAKA Amane | 
| IWATA Hiroyuki | won against | KITAJIMA Hideki | 
| IWATA Hiroyuki | won against | MITSUYA Nobuaki | 
| NAKAJIMA Tetsuya | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | IZUMI Takashi | 
| IWATA Hiroyuki | won against | MATSUMOTO Hiroshi | 
| KOZUKA Katsuhiko | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | 46-18 | TSUCHIYA Ryosuke | 
| IWATA Hiroyuki | 43-21 | HISHIYAMA Yuichi | 
| KAMIKURA Daisuke | 39-25 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 32-32 | IIJIMA Takamune | 
| IWATA Hiroyuki | 45-19 | MIYAZAKI Yuji | 
| ITAGAKI Kenichi | 35-29 | IWATA Hiroyuki | 
| MITSUYA Nobuaki | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 34-30 | IKEDA Yuki | 
| IWATA Hiroyuki | 36-28 | NARUMI Hisatoshi | 
| IWATA Hiroyuki | 35-29 | YAMAZAKI Nobuyuki | 
| NAKAJIMA Tetsuya | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 36-28 | SUEKUNI Makoto | 
| IWATA Hiroyuki | 38-26 | KANEKO Kodai | 
| IWATA Hiroyuki | 48-16 | ASAKAWA Takuya | 
| OHMORI Keita | 33-31 | IWATA Hiroyuki | 
| MURAKAMI Takeshi | 43-21 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 35-29 | GOTO Masahiro | 
| TASAKA Kanichiro | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 49-15 | TSUKAMOTO Kazuma | 
| SUEKUNI Makoto | 37-27 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 42-22 | TAKIZAWA Nobuyuki | 
| SHIMIZU Naoki | 34-30 | IWATA Hiroyuki | 
| ITO Junya | 36-28 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 34-30 | SAWADA Tomohiro | 
| IWATA Hiroyuki | 57-07 | IKEDA Atsuhiko | 
| SATANI Tetsu | 47-17 | IWATA Hiroyuki | 
| NAGAMATSU Ryota | 37-27 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 37-27 | TATSUMI-IIJIMA Yukiko | 
| IWATA Hiroyuki | 45-19 | TAKAHASHI Shiu | 
| IWATA Hiroyuki | 41-23 | SAWAKI Yusuke | 
| IWATA Hiroyuki | 37-27 | SHIOYA Hiroyuki | 
| IWATA Hiroyuki | 45-19 | NAKAMURA Keiko | 
| IWATA Hiroyuki | 33-31 | KAMIKURA Daisuke | 
| IWATA Hiroyuki | 59-05 | TSUCHIYA Shotaro | 
| IWATA Hiroyuki | 42-22 | SATO Koichiro | 
| IWATA Hiroyuki | 48-16 | FUNATSU Asuka | 
| KAMIKURA Daisuke | 33-31 | IWATA Hiroyuki | 
| MITSUYA Nobuaki | 38-26 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 34-30 | ASAHINA Satoshi | 
| IWATA Hiroyuki | 34-30 | IIJIMA Takamune | 
| SATANI Tetsu | 35-29 | IWATA Hiroyuki | 
| IZUMI Takashi | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | HASEGAWA Toshi | 
| IWATA Hiroyuki | won against | ASAHINA Satoshi | 
| IWATA Hiroyuki | won against | KANOU Eishi | 
| TAKIZAWA Nobuyuki | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | KAWAKAMI Yoshihiro | 
| IWATA Hiroyuki | won against | YAMAZAKI Nobuyuki | 
| TASAKA Kanichiro | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 40-24 | KUDOU Keita | 
| IWATA Hiroyuki | 40-24 | TAKAHASHI Hisashi | 
| KAMIKURA Daisuke | 37-27 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 35-29 | MABUCHI Yuta | 
| SATO Yutaka | 35-29 | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | ASOU Daisuke | 
| IWATA Hiroyuki | won against | TASAKA Kanichiro | 
| IWATA Hiroyuki | 35-29 | HISHIYAMA Yuichi | 
| TANAKA Amane | 38-26 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 38-26 | KAMIKURA Daisuke | 
| IMOTO Wataru | 33-31 | IWATA Hiroyuki | 
| MURAKAMI Takeshi | 41-23 | IWATA Hiroyuki | 
| MURAKAMI Takeshi | 42-22 | IWATA Hiroyuki | 
| IIJIMA Takamune | 40-23 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 40-24 | MATSUYA Shinpei | 
| IWATA Hiroyuki | 44-19 | TATSUMI-IIJIMA Yukiko | 
| HISHIYAMA Yuichi | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | SUGUWARA Kiyoshi | 
| ITO Junya | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 34-30 | MURAKAMI Takeshi | 
| MURAKAMI Takeshi | 34-30 | IWATA Hiroyuki | 
| MURAKAMI Takeshi | 37-27 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 36-28 | NAGAO Hiroto | 
| IWATA Hiroyuki | 43-21 | KOSHINO Kazuhiko | 
| IWATA Hiroyuki | 34-30 | ISHIKAWA Akira | 
| IWATA Hiroyuki | 41-23 | NAGASAKI Hidekazu | 
| IWATA Hiroyuki | 41-23 | HORIUCHI Keiko | 
| IWATA Hiroyuki | 35-29 | IWAKURA Hiroaki | 
| IWATA Hiroyuki | 43-21 | SATO Hisakazu | 
| ITO Junya | 39-25 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 42-22 | KOBAYASHI Makoto | 
| IWATA Hiroyuki | 38-26 | KANEKO Kodai | 
| SATO Koichiro | 44-20 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 56-08 | MATSUMOTO Takaki | 
| IWATA Hiroyuki | 44-20 | HONMA Yosuke | 
| ISHIKAWA Akira | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 59-05 | KAWARADA Seiji | 
| IWATA Hiroyuki | 33-31 | TODA Tomoya | 
| IWATA Hiroyuki | 39-25 | KAMIKURA Daisuke | 
| OHNO Tomohiro | 40-24 | IWATA Hiroyuki | 
| ENDO Yoshiki | 41-23 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 56-08 | OCHIAI Naofumi | 
| IWATA Hiroyuki | 34-30 | KOZUKA Katsuhiko | 
| IWATA Hiroyuki | 50-14 | ISHIZAWA Naoki | 
| KANEKO Kodai | 36-28 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 55-09 | SEKIGUCHI Sousei | 
| IWATA Hiroyuki | 48-16 | KOSHINO Kazuhiko | 
| IWATA Hiroyuki | 47-17 | KANEKO Takahiro | 
| IWATA Hiroyuki | 53-11 | TAYAMA Tsubasa | 
| IWATA Hiroyuki | 57-07 | KURACHI Takayuki | 
| TODA Tomoya | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 38-26 | SUKO Masayuki | 
| ITO Junya | 45-19 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 51-13 | SATO Hisakazu | 
| IWATA Hiroyuki | 35-29 | HAMADA Naoki | 
| IWATA Hiroyuki | 45-19 | SAKAGUCHI Kazuhiro | 
| IWATA Hiroyuki | 38-26 | SAITO Riki | 
| IWATA Hiroyuki | 32-32 | TSUCHIDA Daisuke | 
| NAKAJIMA Tetsuya | 39-25 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 41-23 | ISHIKAWA Akira | 
| IWATA Hiroyuki | won against | MITSUYA Nobuaki | 
| TAKANASHI Yusuke | 39-25 | IWATA Hiroyuki | 
| MATSUYA Shinpei | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 45-19 | TATSUMI-IIJIMA Yukiko | 
| IWATA Hiroyuki | 35-29 | KANEKO Kodai | 
| IWATA Hiroyuki | 39-25 | KAMIKURA Daisuke | 
| IWATA Hiroyuki | 40-24 | MURAKAMI Takeshi | 
| NAGASAKI Hidekazu | 37-27 | IWATA Hiroyuki | 
| NAKAJIMA Tetsuya | 33-31 | IWATA Hiroyuki | 
| ASOU Daisuke | 36-28 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 32-32 | IKEDA Atsuhiko | 
| IWATA Hiroyuki | 60-04 | SUGUWARA Kiyoshi | 
| IWATA Hiroyuki | 34-30 | KANEKO Takahiro | 
| TOMINAGA Kenta | 37-27 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 47-17 | HONMA Yosuke | 
| IWATA Hiroyuki | 37-27 | MATSUYA Shinpei | 
| IWATA Hiroyuki | 41-23 | TATSUMI-IIJIMA Yukiko | 
| IWATA Hiroyuki | 38-26 | SHINOHARA Chiaki | 
| ASOU Daisuke | 38-26 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 40-24 | TAKIGAWA Mitsuaki | 
| SUEKUNI Makoto | 35-29 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 37-27 | MATSUYA Shinpei | 
| SATO Koichiro | 35-29 | IWATA Hiroyuki | 
2011-12-25: 2_Azabu_open(Japan)
2011-12-23: 136_Nagareyama_open(Japan)
2011-12-10: 73_Chiyarenshi(Japan)
2011-09-19: 11_Saitama_open(Japan)
2011-08-28: 6_Ouza_sen(Japan)
2011-08-13: 71_Chiyarenshi(Japan)
2011-08-07: 2_Kanagawa_Katsuhu_open(Japan)
2011-07-17: 39_Japan_open_Champ(Japan)
2011-07-10: 132_Nagareyama_open(Japan)
2011-07-09: 76_Shinagawa_open(Japan)
2011-07-03: 73_Kanagawa_open(Japan)
2011-06-26: 39_Japan_Champ_Kyoto_prelim(Japan)
2011-06-12: 39_Japan_champ_Tokyo_prelim(Japan)
2011-06-05: 17_Kawasaki_open(Japan)
2011-05-29: 32_Meijin(Japan)
2011-05-01: 28_Kawagoe_10_period_queen_game(Japan)
2011-04-29: 24_Kanto_social_choosing(Japan)
2011-03-05: 75_Shinagawa_open(Japan)
| IWATA Hiroyuki | 34-30 | MATSUYA Shinpei | 
| IWATA Hiroyuki | 35-29 | MABUCHI Yuta | 
| IWATA Hiroyuki | 39-25 | TANAKA Atsushi | 
| MURAKAMI Takeshi | 35-29 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 37-27 | KAMIKURA Daisuke | 
| IWATA Hiroyuki | 35-29 | IIJIMA Takamune | 
| IWATA Hiroyuki | 60-04 | KOBAYASHI Makoto | 
| ISHIKAWA Akira | 39-25 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 57-07 | MABUCHI Yuta | 
| OHMORI Keita | 35-29 | IWATA Hiroyuki | 
| KAMIKURA Daisuke | 35-29 | IWATA Hiroyuki | 
| NAKAJIMA Tetsuya | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | 37-27 | SAITO Aya | 
| IWATA Hiroyuki | 37-27 | TATSUMI-IIJIMA Yukiko | 
| IWATA Hiroyuki | 35-29 | TAKANASHI Yusuke | 
| YAMAKAWA Takashi | 33-31 | IWATA Hiroyuki | 
| SUEKUNI Makoto | 41-23 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 53-11 | KANEKO Takahiro | 
| IWATA Hiroyuki | 46-18 | FUNATSU Asuka | 
| IWATA Hiroyuki | 48-16 | OHMORI Keita | 
| TODA Tomoya | 36-28 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 53-11 | OSHIMIZU Takanori | 
| IWATA Hiroyuki | 36-28 | MORIGUCHI Shota | 
| IWATA Hiroyuki | 33-31 | TSUCHIDA Daisuke | 
| SASAKI Sohei | 48-16 | IWATA Hiroyuki | 
| OSHIMIZU Takanori | 44-20 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 37-27 | TATEISHI Katsuhiro | 
| IWATA Hiroyuki | 40-24 | KIYONOBU Kenta | 
| IWATA Hiroyuki | 50-14 | KURAHASHI Satoshi | 
| IWATA Hiroyuki | 52-12 | NAGANO Yasushi | 
| NAKAJIMA Tetsuya | 36-28 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 34-30 | IIJIMA Takamune | 
| IWATA Hiroyuki | 40-24 | ISHIKAWA Akira | 
| IWATA Hiroyuki | 40-24 | TATSUMI-IIJIMA Yukiko | 
| TAKANASHI Yusuke | 35-29 | IWATA Hiroyuki | 
| SATO Koichiro | 41-23 | IWATA Hiroyuki | 
| ASOU Daisuke | 39-25 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 50-14 | IWAKURA Hiroaki | 
| IWATA Hiroyuki | 41-23 | ITAGAKI Kenichi | 
| IWATA Hiroyuki | 49-15 | NARUMI Hisatoshi | 
| IWATA Hiroyuki | 56-08 | TATSUMI-IIJIMA Yukiko | 
| IWATA Hiroyuki | 32-32 | YAMAKAWA Takashi | 
| ITO Junya | 37-27 | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | YAMAZAKI Nobuyuki | 
| IWATA Hiroyuki | won against | ITO Junya | 
| NOBUKAWA Hiroki | won against | IWATA Hiroyuki | 
| KURITA Seiya | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | OHUCHI Yasuhiro | 
| OHMORI Keita | won against | IWATA Hiroyuki | 
| ASOU Daisuke | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 35-29 | ABE Ryuji | 
| IWATA Hiroyuki | 41-23 | TSUKAMOTO Kazuma | 
| IWATA Hiroyuki | 36-28 | WATANABE Keiichi | 
| IWATA Hiroyuki | 39-25 | IKEDA Yuki | 
| IWATA Hiroyuki | 41-23 | ISHIDA Kazuaki | 
| IWATA Hiroyuki | 41-23 | TANAKA Atsushi | 
| YAMAKAWA Takashi | 40-24 | IWATA Hiroyuki | 
| TAKANASHI Yusuke | 40-24 | IWATA Hiroyuki | 
| IMOTO Wataru | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 33-31 | HISHIYAMA Yuichi | 
| IWATA Hiroyuki | 44-20 | TOKI Hidenobu | 
| ITAGAKI Kenichi | 40-24 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 42-22 | SANO Yoko | 
| MURAKAMI Takeshi | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 46-18 | SANO Hidekazu | 
| IWATA Hiroyuki | 53-11 | GOTO Masahiro | 
| IWATA Hiroyuki | 38-26 | SHINAGAWA Yukinobu | 
| IWATA Hiroyuki | 36-28 | KAWARADA Seiji | 
| IWATA Hiroyuki | 41-23 | TAKAHASHI Hisashi | 
| IWATA Hiroyuki | 34-30 | SAKAGUCHI Kazuhiro | 
| IWATA Hiroyuki | 43-21 | IIJIMA Takamune | 
| IWATA Hiroyuki | 35-29 | KAWARADA Seiji | 
| IWATA Hiroyuki | 36-28 | TANAKA Shuntaro | 
| NAGASAKI Hidekazu | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 38-26 | MATSUDA Shoma | 
| TSUKAMOTO Kazuma | 35-29 | IWATA Hiroyuki | 
| TANAKA Irie | 35-29 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 55-09 | NISHIMURA Tatsuyuki | 
| IWATA Hiroyuki | 40-24 | HISHIYAMA Yuichi | 
| IWATA Hiroyuki | 41-23 | ISHIKAWA Akira | 
| OHMORI Keita | 41-23 | IWATA Hiroyuki | 
| NAGAO Hiroto | 41-23 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 32-32 | NODA Bintatsu | 
| OSHIMIZU Takanori | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | NARUMI Hisatoshi | 
| IWATA Hiroyuki | won against | SHIMIZU Ryusei | 
| IWATA Hiroyuki | won against | TODA Tomoya | 
| OKAMOTO Kazuki | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | 35-29 | TODA Tomoya | 
| IWATA Hiroyuki | 34-30 | TODA Tomoya | 
| IWATA Hiroyuki | 42-22 | IKEDA Atsuhiko | 
| IWATA Hiroyuki | 42-22 | TOKI Hidenobu | 
| NAGASAKI Hidekazu | 37-27 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 41-23 | SHIBASAKI Lily | 
| AIHARA Shigeaki | 33-31 | IWATA Hiroyuki | 
| KOMAGATA Masayuki | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 40-24 | NOBUKAWA Hiroki | 
| SUEKUNI Makoto | 33-31 | IWATA Hiroyuki | 
| TANAKA Atsushi | 38-26 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 34-30 | IWAKURA Hiroaki | 
| IWATA Hiroyuki | 35-29 | HAGIKURA Yutaka | 
| IWATA Hiroyuki | 37-27 | OHTAKE Kosuke | 
2010-11-20: 49_King_state(Japan)
2010-11-14: 223_Kawagoe_ranking_games(Japan)
2010-11-07: 70_Kanagawa_open(Japan)
2010-10-02: 71_Shinagawa_open(Japan)
2010-09-25: 9_area_resistance(Japan)
2010-09-19: 10_Saitama_open(Japan)
2010-09-12: 10_Inuyama_open(Japan)
2010-09-04: 70_Shinagawa_open(Japan)
2010-08-29: 5_Ouza_sen(Japan)
2010-08-22: 8_Queen_game(Japan)
2010-08-21: 46_King_state(Japan)
2010-08-08: 124_Nagareyama_open(Japan)
2010-08-01: 1_Kanagawa_Katsuhu_open(Japan)
2010-07-24: 40_King_State(Japan)
2010-07-18: CH_Japan(Japan)
2010-07-04: 68_Kanagawa_open(Japan)
2010-07-03: 68_Shinagawa_open(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)
2010-06-06: 15_Kawasaki_open(Japan)
2010-06-05: 67_Shinagawa_open(Japan)
2010-05-01: 66_Shinagawa_open(Japan)
2010-04-29: 23_Kanto_social_choosing_prelim(Japan)
2010-04-17: 34_King_state_special(Japan)
2010-04-03: 65_Shinagawa_open(Japan)
2010-03-28: 39_King_State(Japan)
2010-03-21: 31_Meijin(Japan)
2010-02-20: 42_King_state(Japan)
2010-02-14: 8_Inuyama_open(Japan)
2010-01-24: 2010_Tokyo_expert_game(Japan)
2010-01-16: 41_King_state(Japan)
2010-01-10: 66_Kanagawa_open(Japan)
2010-01-03: Shinagawa_open_2010(Japan)
| IWATA Hiroyuki | 39-25 | TATSUMI-IIJIMA Yukiko | 
| IWATA Hiroyuki | 37-27 | KOZUKA Katsuhiko | 
| NAGANO Yasushi | 41-23 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 39-25 | KOBAYASHI Manabu | 
| SHIROMA Ryuchi | 39-25 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 36-28 | TAKIGAWA Mitsuaki | 
| IWATA Hiroyuki | 34-30 | KOSHINO Kazuhiko | 
| IWATA Hiroyuki | 48-16 | TANAKA Shuntaro | 
| TODA Tomoya | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 37-27 | UMEMURA Yuji | 
| IWATA Hiroyuki | 50-14 | ISHIKAWA Akira | 
| IWATA Hiroyuki | 47-17 | TAKIGAWA Mitsuaki | 
| IWATA Hiroyuki | 47-17 | KOBAYASHI Manabu | 
| IWATA Hiroyuki | 49-15 | KOSHINO Kazuhiko | 
| IWATA Hiroyuki | 44-20 | NAGAO Hiroto | 
| IWATA Hiroyuki | 34-30 | NARUMI Hisatoshi | 
| NAKAJIMA Tetsuya | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 35-29 | TATSUMI-IIJIMA Yukiko | 
| IWATA Hiroyuki | 35-29 | SUZUKI Yuta | 
| IWATA Hiroyuki | 39-25 | YAMADA Goro | 
| AKASHI Tomone | 38-26 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 34-30 | MIYAZAKI Yuji | 
| IWATA Hiroyuki | won against | TAKANASHI Yusuke | 
| IWATA Hiroyuki | 39-25 | TAKASHIMA Ryoji | 
| ITO Junya | 34-30 | IWATA Hiroyuki | 
| MATSUYA Shinpei | 36-28 | IWATA Hiroyuki | 
| NAGASAKI Hidekazu | 39-25 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 38-26 | NAKAMORI Chiaki | 
| IWATA Hiroyuki | 43-21 | KOSHINO Kazuhiko | 
| IWATA Hiroyuki | 41-23 | TSUKAMOTO Kazuma | 
| TAKANASHI Yusuke | 41-23 | IWATA Hiroyuki | 
| SATO Koichiro | 35-29 | IWATA Hiroyuki | 
| TODA Tomoya | 33-31 | IWATA Hiroyuki | 
| ITO Junya | 40-24 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 34-30 | NAGASAKI Hidekazu | 
| IWATA Hiroyuki | 33-31 | SAWAKI Yusuke | 
| IWATA Hiroyuki | 33-31 | YAMAKAWA Takashi | 
| TAKANASHI Yusuke | 37-27 | IWATA Hiroyuki | 
| WATAHIKI Kenta | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 35-29 | HAGIKURA Yutaka | 
| IWATA Hiroyuki | 47-17 | OHTAKE Kosuke | 
| IWATA Hiroyuki | 35-29 | HAGIKURA Yutaka | 
| IWATA Hiroyuki | won against | KOBAYASHI Kasa | 
| IWATA Hiroyuki | 36-28 | MURAKAMI Takeshi | 
| IWATA Hiroyuki | 37-27 | NAKAJIMA Tetsuya | 
| TAKANASHI Yusuke | 39-25 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 33-31 | NAKAJIMA Tetsuya | 
| IWATA Hiroyuki | 38-26 | ITO Junya | 
| IWATA Hiroyuki | 52-12 | SATO Reiko | 
| IWATA Hiroyuki | 39-25 | TANAKA Amane | 
| TAKIZAWA Masaki | 37-27 | IWATA Hiroyuki | 
| TOMINAGA Kenta | 41-23 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 33-31 | MIYAOKA Tamaki | 
| IWATA Hiroyuki | 34-30 | ITO Junya | 
| IWATA Hiroyuki | 38-26 | ITO Junya | 
| IWATA Hiroyuki | 35-29 | KOSHINO Kazuhiko | 
| IWATA Hiroyuki | 41-22 | MATSUYA Shinpei | 
| NAKAJIMA Tetsuya | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 35-29 | TAKASHIMA Ryoji | 
| HAGIKURA Yutaka | 35-29 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 36-28 | NAGANO Yasushi | 
| IWATA Hiroyuki | 36-28 | FUJITA Kousuke | 
| IWATA Hiroyuki | 36-28 | YAMAKAWA Takashi | 
| KATORI Michihiro | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 54-10 | SANO Joichiro | 
| ITO Junya | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | 40-24 | SHIBASAKI Lily | 
| IWATA Hiroyuki | 45-19 | TANAKA Atsushi | 
| IWATA Hiroyuki | 46-18 | NAGAO Hiroto | 
| MURAKAMI Takeshi | 42-22 | IWATA Hiroyuki | 
| HAGIKURA Yutaka | 33-31 | IWATA Hiroyuki | 
| TANAKA Shuntaro | 36-28 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 35-29 | YAMAZAKI Nobuyuki | 
| IWATA Hiroyuki | 37-27 | IZUMI Takashi | 
| IWATA Hiroyuki | 36-28 | KOSHINO Kazuhiko | 
| MATSUYA Shinpei | 34-30 | IWATA Hiroyuki | 
| SUZUKI Yuta | 37-27 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 34-30 | NAGASAKI Hidekazu | 
| IWATA Hiroyuki | 43-21 | SATO Koichiro | 
| IWATA Hiroyuki | won against | NAKAMURA Yuki | 
| IWATA Hiroyuki | won against | NISHIMINE Satoru | 
| KURODA Takuji | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | YAMAZAKI Nobuyuki | 
| IWATA Hiroyuki | won against | NAMIKI Kazuya | 
| IWATA Hiroyuki | won against | AIHARA Shigeaki | 
| MATSUMOTO Hiroyuki | 47-17 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 45-19 | TAKASHIMA Ryoji | 
| IIJIMA Takamune | 45-19 | IWATA Hiroyuki | 
| TAKIGAWA Mitsuaki | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 33-31 | OHTAKE Kosuke | 
| IWATA Hiroyuki | 47-17 | TOKI Hidenobu | 
| IWATA Hiroyuki | 39-25 | KOBAYASHI Manabu | 
| KURACHI Takayuki | 36-28 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 35-29 | TOKI Yugo | 
| SUZUKI Yuta | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 36-28 | NARUMI Hisatoshi | 
| IWATA Hiroyuki | 40-24 | OHNO Atsuko | 
| IWATA Hiroyuki | 33-31 | WATANABE Keiichi | 
| YAMADA Goro | 33-31 | IWATA Hiroyuki | 
| TOKI Hidenobu | 35-29 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 34-30 | IWAKURA Hiroaki | 
| IWATA Hiroyuki | 39-25 | SHIMONOSONO Kozo | 
| IWATA Hiroyuki | 35-29 | TAKASHIMA Ryoji | 
| IWATA Hiroyuki | 41-23 | SANO Yoko | 
| IWATA Hiroyuki | 40-24 | NAKAJIMA Tetsuya | 
| HAGIKURA Yutaka | 40-24 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 39-25 | NAGASAKI Hidekazu | 
| IWATA Hiroyuki | 37-27 | ISHIKAWA Akira | 
| IWATA Hiroyuki | 33-31 | GOTO Masahiro | 
| IWATA Hiroyuki | 45-19 | TOKI Hidenobu | 
| IWATA Hiroyuki | 36-28 | MATSUZAWA Atsushi | 
| OZAWA Kou | 35-29 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 33-31 | SHIROTA Yasuto | 
| IWATA Hiroyuki | won against | KANEDA Shigeru | 
| ENOMOTO Yasuhiro | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 52-12 | INOUE Masaru | 
| IWATA Hiroyuki | 52-12 | OGAWA Ami | 
| IWATA Hiroyuki | 36-28 | KOSHINO Kazuhiko | 
| IWATA Hiroyuki | 39-25 | UMEMURA Yuji | 
| IWATA Hiroyuki | 46-18 | ARAKI Yasuyuki | 
| HAGIKURA Yutaka | 34-30 | IWATA Hiroyuki | 
| SUZUKI Yuta | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 41-23 | FUKUDA Hiroshi | 
| IWATA Hiroyuki | 43-21 | UMEMURA Yuji | 
| NAKAJIMA Tetsuya | 33-31 | IWATA Hiroyuki | 
| TATSUMI-IIJIMA Yukiko | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 39-25 | KOBAYASHI Manabu | 
| IWATA Hiroyuki | 35-29 | SANO Yoko | 
| IWATA Hiroyuki | 46-18 | YOSHIDA Masafumi | 
| IWATA Hiroyuki | 41-23 | TAKENOBU Kosuke | 
| IWATA Hiroyuki | 34-30 | NAGASAKI Hidekazu | 
| IWATA Hiroyuki | 36-28 | HAGIKURA Yutaka | 
| AKASHI Tomone | 37-27 | IWATA Hiroyuki | 
| NAGASAKI Hidekazu | 37-27 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 36-28 | TANAKA Irie | 
| IWATA Hiroyuki | 34-30 | MATSUYA Shinpei | 
| IWATA Hiroyuki | 33-31 | TODA Tomoya | 
| IWATA Hiroyuki | 32-32 | KOZUKA Katsuhiko | 
| NAKAJIMA Tetsuya | 38-26 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 37-27 | KOSHINO Kazuhiko | 
| IWATA Hiroyuki | 41-23 | NAKAJIMA Tetsuya | 
| IWATA Hiroyuki | won against | SHIMIZU Kouichi | 
| ENOMOTO Yasuhiro | 37-27 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 33-31 | MIYAZAKI Yuji | 
| IWATA Hiroyuki | 35-29 | AKASHI Tomone | 
| IWATA Hiroyuki | 33-31 | NAGASAKI Hidekazu | 
| IWATA Hiroyuki | 38-26 | ISHIKAWA Akira | 
| IWATA Hiroyuki | 38-26 | KURACHI Takayuki | 
| IWATA Hiroyuki | 34-30 | KOSHINO Kazuhiko | 
| IWATA Hiroyuki | 37-27 | NAKAJIMA Tetsuya | 
| IWATA Hiroyuki | 39-25 | YAMAKAWA Takashi | 
| IWATA Hiroyuki | 33-31 | SUZUKI Yuta | 
| SATO Koichiro | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 36-28 | TANAKA Shuntaro | 
| MIYAZAKI Yuji | 39-25 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 40-24 | TANAKA Amane | 
| TANAKA Irie | 34-30 | IWATA Hiroyuki | 
| HAGIKURA Yutaka | 64-00 | IWATA Hiroyuki | 
| IWASAKI Masaaki | 64-00 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 64-00 | SATAKE Yosuke | 
| IWATA Hiroyuki | 64-00 | YOSHIDA Taisaku | 
| SAWAKI Yusuke | 64-00 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 64-00 | NISHIMURA Tatsuyuki | 
| IWATA Hiroyuki | 42-22 | SANO Yoko | 
| IWATA Hiroyuki | 35-29 | NAKAJIMA Tetsuya | 
| MATSUYA Shinpei | 33-31 | IWATA Hiroyuki | 
| ISHIKAWA Akira | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 39-25 | NAGASAKI Hidekazu | 
| KURACHI Takayuki | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 43-21 | TSUKAMOTO Kazuma | 
| IWATA Hiroyuki | 36-28 | NAGASAKI Hidekazu | 
| SUZUKI Yuta | 37-27 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 33-31 | TOMINAGA Kenta | 
| IWATA Hiroyuki | 34-30 | AKASHI Tomone | 
| YAMAKAWA Takashi | 35-29 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 33-31 | NAKAJIMA Tetsuya | 
| IWATA Hiroyuki | 43-21 | NISHIYAMA Momoko | 
| MURAKAMI Takeshi | 40-24 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 44-20 | KOSHINO Kazuhiko | 
| IWATA Hiroyuki | 33-31 | NAKAJIMA Tetsuya | 
| IWATA Hiroyuki | 41-23 | SANO Yoko | 
| IWATA Hiroyuki | 40-24 | TOKI Yugo | 
| IWATA Hiroyuki | 45-19 | SANO Yoko | 
| IWATA Hiroyuki | 36-28 | MATSUMOTO Hiroyuki | 
| NAKANO Jo | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 37-27 | SHIMIZU Kouichi | 
| NAGASAKI Hidekazu | 39-25 | IWATA Hiroyuki | 
| SATANI Tetsu | 39-25 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 39-25 | OHMORI Keita | 
| IWATA Hiroyuki | 33-31 | KOSHINO Kazuhiko | 
| MURAKAMI Takeshi | 33-31 | IWATA Hiroyuki | 
| TANAKA Amane | 40-24 | IWATA Hiroyuki | 
| YAMAMURA Yuuki | 39-25 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 41-23 | TANIZAWA Misato | 
| IWATA Hiroyuki | 64-00 | TATENO Ryuuji | 
| IWATA Hiroyuki | 38-26 | KOIDE Satoshi | 
| ISHIKAWA Akira | 33-31 | IWATA Hiroyuki | 
| KATO Yuzuru | 39-25 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 39-25 | HISHIYAMA Yuichi | 
| IWATA Hiroyuki | 37-26 | SHINOHARA Ryo | 
| IWATA Hiroyuki | 36-28 | MITSUYA Nobuaki | 
2009-12-26: Shinagawa_open_2009(Japan)
2009-12-12: 118_Nagareyama_open(Japan)
2009-12-06: 14_Kawasaki_open(Japan)
2009-11-29: 216_Kawagoe_ranking_games(Japan)
2009-11-21: 29_King_state(Japan)
2009-11-15: 117_Nagareyama_open(Japan)
2009-11-07: 61_Shinagawa_open(Japan)
2009-11-01: 65_Kanagawa_open(Japan)
2009-10-25: 37_King_State(Japan)
2009-10-17: 38_King_State(Japan)
2009-10-12: 7_Inuyama_open(Japan)
2009-10-11: 5_Chiba_open(Japan)
2009-10-03: 60_Shinagawa_open(Japan)
2009-09-27: 36_King_State(Japan)
2009-09-22: 8_area_open(Japan)
2009-09-21: 9_Saitama_open(Japan)
2009-09-19: 27_King_State(Japan)
2009-09-13: 116_Nagareyama_open(Japan)
2009-09-06: 64_Kanagawa_open(Japan)
2009-08-29: 35_King_State(Japan)
2009-08-23: 34_King_State(Japan)
2009-08-15: 36_King_State(Japan)
2009-08-09: 6_Inuyama_open(Japan)
2009-08-02: 47_Three_River(Japan)
2009-08-01: 5_Chubu_open(Japan)
2009-07-26: 33_King_State_(Japan)
2009-07-12: Queen_Game(Japan)
2009-07-12: Queen_Game_Prelim(Japan)
2009-07-05: 63_Kanagawa_Open(Japan)
2009-07-04: 58_Shinagawa_Open(Japan)
2009-06-28: 37_Japan_Champ_Tokyo_prelim(Japan)
2009-06-20: 35_King_State(Japan)
2009-06-14: Amumazeki_Open(Japan)
2009-05-23: 32_King_State(Japan)
2009-05-16: 34_King_State(Japan)
2009-05-06: 16_Tatebayashi_Open(Japan)
2009-05-05: 31_King_State(Japan)
2009-05-03: 113_Nagareyama_Open(Japan)
2009-05-02: 56_Shinagawa_Open(Japan)
2009-03-29: 30_Meijin(Japan)
2009-03-28: 30_Meijin_prelim(Japan)
2009-03-15: 2009_Tokyo_Expert_Prelim(Japan)
2009-03-15: 2009_Tokyo_Expert_PrelimFinals_A(Japan)
2009-03-01: 62_Kanagawa_Open_B(Japan)
2009-02-21: 31_King_State_A(Japan)
2009-02-15: 4_Shinagawa_Open(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)
2009-01-04: 61_Kanagawa_Open_B(Japan)
2009-01-03: Shinagawa_2009(Japan)
| SUZUKI Yuta | 36-28 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 33-31 | HAGIKURA Yutaka | 
| NAKAJIMA Tetsuya | 34-30 | IWATA Hiroyuki | 
| NAKAJIMA Tetsuya | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 48-16 | KIKAWA Shin | 
| HAGIKURA Yutaka | 43-21 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 52-12 | YOSHIDA Ryota | 
| IWATA Hiroyuki | 35-29 | KATORI Michihiro | 
| IWATA Hiroyuki | 64-00 | OKUDA Tsuyoshi | 
| IWATA Hiroyuki | 64-00 | INOUE Masaru | 
| IWATA Hiroyuki | 40-24 | OHMORI Keita | 
| NODA Bintatsu | 35-29 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 33-31 | MURAKAMI Takeshi | 
| IWATA Hiroyuki | 41-23 | SUZUKI Yuta | 
| MATSUMOTO Hiroyuki | 46-18 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 50-14 | HAYAKAWA Shigeru | 
| IWATA Hiroyuki | 33-31 | KURACHI Takayuki | 
| MATSUMOTO Hiroyuki | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 42-22 | URUSHIHARA Kazuhiro | 
| IWATA Hiroyuki | 33-31 | TODA Tomoya | 
| TANAKA Amane | 39-25 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 36-28 | KATO Yuzuru | 
| IWATA Hiroyuki | 33-31 | SHIMIZU Kouichi | 
| NAGANO Yasushi | 35-29 | IWATA Hiroyuki | 
| MIYAZAKI Yuji | 38-26 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 38-26 | SATANI Tetsu | 
| IWATA Hiroyuki | 41-23 | SUZUKI Yuta | 
| HAGIKURA Yutaka | 35-29 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 41-23 | SANO Yoko | 
| IWATA Hiroyuki | 57-07 | SATO Reiko | 
| MIYAZAKI Yuji | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 34-30 | HAYASAKA Toshie | 
| IWATA Hiroyuki | 38-26 | SHIROTA Yasuto | 
| IWATA Hiroyuki | 39-25 | KURACHI Takayuki | 
| IWATA Hiroyuki | 42-22 | ASOU Daisuke | 
| MURAKAMI Takeshi | 40-24 | IWATA Hiroyuki | 
| NAGASAKI Hidekazu | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 41-23 | TSUKAMOTO Kazuma | 
| IWATA Hiroyuki | 60-04 | OGAWA Ami | 
| IWATA Hiroyuki | 55-09 | IKEDA Atsuhiko | 
| KOMAGATA Masayuki | 42-22 | IWATA Hiroyuki | 
| MIYAZAKI Yuji | 33-31 | IWATA Hiroyuki | 
| SUZUKI Yuta | 48-16 | IWATA Hiroyuki | 
| ITAGAKI Kenichi | 39-25 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 37-27 | SUZUKI Yuta | 
| IWATA Hiroyuki | 42-22 | SAKURAI Takeuchi | 
| MIYAZAKI Yuji | 33-31 | IWATA Hiroyuki | 
| NAKAJIMA Tetsuya | 33-31 | IWATA Hiroyuki | 
| UEDA Mikiya | 35-29 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 39-25 | WATANABE Keiichi | 
| IWATA Hiroyuki | 41-23 | MATSUYA Shinpei | 
| NAKAJIMA Tetsuya | 41-23 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 41-23 | TAKEDA Kyoko | 
| IWATA Hiroyuki | 37-27 | ISHIKAWA Akira | 
| IWATA Hiroyuki | 44-20 | MIYAZAKI Yuji | 
| IWATA Hiroyuki | 33-31 | SANO Yoko | 
| TAKANASHI Yusuke | 35-29 | IWATA Hiroyuki | 
| WATAHIKI Kenta | 36-28 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 35-29 | NAGAO Hiroto | 
| ITO Junya | 35-29 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 33-31 | IIJIMA Takamune | 
| IWATA Hiroyuki | 36-28 | ISHIKAWA Akira | 
| IWATA Hiroyuki | 33-31 | NAGASHIMA Kazuhito | 
| IWATA Hiroyuki | 38-26 | OKUDA Tsuyoshi | 
| IWATA Hiroyuki | 47-17 | KOBAYASHI Manabu | 
| IWATA Hiroyuki | 45-19 | NAGAO Hiroto | 
| IWATA Hiroyuki | 43-21 | KURACHI Takayuki | 
| IWATA Hiroyuki | 43-21 | WATAHIKI Kenta | 
| IWATA Hiroyuki | 44-20 | TANAKA Atsushi | 
| IWATA Hiroyuki | 35-29 | ISHIKAWA Akira | 
| IWATA Hiroyuki | 38-25 | TATSUMI-IIJIMA Yukiko | 
| YAMAZAKI Nobuyuki | 37-27 | IWATA Hiroyuki | 
| TAKANASHI Yusuke | 34-30 | IWATA Hiroyuki | 
| AKASHI Tomone | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 37-27 | ASOU Daisuke | 
| IWATA Hiroyuki | 33-31 | GOTO Masahiro | 
| IWATA Hiroyuki | 40-24 | ASOU Daisuke | 
| ITO Junya | 38-26 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 36-28 | KOIDE Satoshi | 
| IWATA Hiroyuki | 34-30 | KATO Yuzuru | 
| MIYAZAKI Yuji | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 43-21 | NAKAYAMA Takahiro | 
| IWATA Hiroyuki | 36-28 | TANAKA Amane | 
| IWATA Hiroyuki | 43-21 | SANO Joichiro | 
| AIHARA Shigeaki | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 42-21 | TAKASE Humiya | 
| IWATA Hiroyuki | 33-31 | TSUJI Shinji | 
| IWATA Hiroyuki | 44-20 | WATANABE Keiichi | 
| IWATA Hiroyuki | 44-20 | TAKUAKI Kamata | 
| IWATA Hiroyuki | 46-18 | KIUCHI Hideyuki | 
| ITO Junya | 48-16 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 43-21 | IZUMI Takashi | 
| IWATA Hiroyuki | 47-17 | KOIDE Satoshi | 
| IWATA Hiroyuki | 36-28 | TAKANASHI Yusuke | 
| IWATA Hiroyuki | 37-27 | SHIBASAKI Lily | 
| IWATA Hiroyuki | 34-30 | AKASHI Tomone | 
| SUZUKI Yuta | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 36-28 | NAGASAKI Hidekazu | 
| IWATA Hiroyuki | 36-28 | MURAKAMI Takeshi | 
| IWATA Hiroyuki | 46-18 | YAMADA Takeo | 
| IWATA Hiroyuki | 39-25 | TOKI Yugo | 
| IWATA Hiroyuki | won against | SUZUKI Yuta | 
| IWATA Hiroyuki | 41-23 | OKUDA Tsuyoshi | 
| IWATA Hiroyuki | 58-06 | KAWAGUCHI Hayato | 
| IWATA Hiroyuki | 45-19 | IKEDA Atsuhiko | 
| IWATA Hiroyuki | 52-12 | KOIDE Satoshi | 
| IWATA Hiroyuki | 39-25 | ISHIKAWA Akira | 
| IWATA Hiroyuki | 51-13 | TOSAKA Hideki | 
| MATSUYA Shinpei | 37-27 | IWATA Hiroyuki | 
| TAKASHIMA Ryoji | 38-26 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 46-18 | HISHIYAMA Yuichi | 
| TAKASAKI Shohei | 34-30 | IWATA Hiroyuki | 
| MIYAZAKI Yuji | 37-27 | IWATA Hiroyuki | 
| NAKANO Jo | 37-27 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 43-21 | SATO Yutaka | 
| IWATA Hiroyuki | 33-31 | KOIDE Satoshi | 
| AKASHI Tomone | 35-29 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 38-25 | OHUCHI Yasuhiro | 
| IWATA Hiroyuki | 35-29 | KIUCHI Hideyuki | 
| NAGASAKI Hidekazu | 33-31 | IWATA Hiroyuki | 
| TOKI Yugo | 40-24 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 42-22 | SANO Yoko | 
| MURAKAMI Takeshi | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 37-27 | KURAMOCHI Yuta | 
| TANAKA Atsushi | 37-27 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 36-28 | SUZUKI Yuta | 
| IWATA Hiroyuki | 48-16 | SUKO Masayuki | 
| NAGANO Yasushi | 35-29 | IWATA Hiroyuki | 
| TAKANASHI Yusuke | 38-26 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 43-21 | YAMAKAWA Takashi | 
| NAGAO Hiroto | 35-29 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 33-31 | HAGIKURA Yutaka | 
| WATANABE Hajime | 36-28 | IWATA Hiroyuki | 
| WATAHIKI Kenta | 35-29 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 45-19 | TSUKAMOTO Hiroaki | 
| IWATA Hiroyuki | 56-08 | SANO Joichiro | 
| IWATA Hiroyuki | 41-23 | TAKEYUKI Ide | 
| IWATA Hiroyuki | 53-11 | KOUKAWA Satoshi | 
| MIYAZAKI Yuji | 44-20 | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | TOKUSHIMA Akira | 
| IWATA Hiroyuki | 42-22 | SHIMIZU Naoki | 
| IWATA Hiroyuki | 41-23 | YAMADA Takeo | 
| IWATA Hiroyuki | 38-26 | SHIMIZU Naoki | 
| KURAMOCHI Yuta | 43-21 | IWATA Hiroyuki | 
| TSUCHIDA Daisuke | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | MIYAZAKI Yuji | 
| IWATA Hiroyuki | 36-28 | OHIKE Yoshinori | 
| KAWARADA Yuichi | 47-17 | IWATA Hiroyuki | 
| YAMAZAKI Nobuyuki | 38-26 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 42-22 | WATANABE Keiichi | 
| IWATA Hiroyuki | 35-29 | ENOMOTO Hiroyuki | 
| IWATA Hiroyuki | 36-28 | ISHIKAWA Akira | 
| NAKAJIMA Tetsuya | 37-27 | IWATA Hiroyuki | 
| NAGASAKI Hidekazu | 36-28 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 43-21 | KURACHI Takayuki | 
| IWATA Hiroyuki | 44-20 | KURACHI Takayuki | 
| IWATA Hiroyuki | won against | URUSHIHARA Kazuhiro | 
| IWATA Hiroyuki | 44-20 | ITO Junya | 
| IWATA Hiroyuki | 33-31 | MIYAZAKI Yuji | 
| IWATA Hiroyuki | 50-14 | TODA Tomoya | 
| IWATA Hiroyuki | 38-26 | SUZUKI Yuta | 
| SHIROMA Ryuchi | 34-30 | IWATA Hiroyuki | 
| MIYAZAKI Yuji | 38-26 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 37-27 | IIJIMA Takamune | 
| IWATA Hiroyuki | 34-30 | YAMAZAKI Nobuyuki | 
| SAITO Aya | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 44-20 | ISHIWATA Yoshikazu | 
| IWATA Hiroyuki | 39-25 | HAGIKURA Yutaka | 
| IWATA Hiroyuki | 33-31 | TATSUMI-IIJIMA Yukiko | 
| IWATA Hiroyuki | 37-27 | NAGASAKI Hidekazu | 
| NAKAJIMA Tetsuya | 35-29 | IWATA Hiroyuki | 
| YAMAKAWA Takashi | 33-31 | IWATA Hiroyuki | 
| SASAKI Kousuke | 35-28 | IWATA Hiroyuki | 
| AKASHI Tomone | 44-20 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 37-27 | SHINOHARA Chiaki | 
| IWATA Hiroyuki | 39-25 | HISHIYAMA Yuichi | 
| IWATA Hiroyuki | 36-28 | WATANABE Keiichi | 
| NAGAMATSU Ryota | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 39-25 | KOBAYASHI Manabu | 
| TANIDA Kunihiko | 37-27 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 43-21 | KATO Yuzuru | 
| ISHIKAWA Akira | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 41-23 | SATO Koichiro | 
| MITSUYA Nobuaki | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 39-25 | SHINOHARA Jun | 
| FURUMOTO Yuki | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 33-31 | HISHIYAMA Yuichi | 
| KAMIO Mamoru | 36-28 | IWATA Hiroyuki | 
| YAMADA Goro | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 34-30 | SHINOHARA Ryo | 
| IWATA Hiroyuki | 42-22 | SANO Matsuda | 
| IWATA Hiroyuki | 34-30 | NAKAJIMA Tetsuya | 
| IWATA Hiroyuki | 33-31 | SUZUKI Yuta | 
| IWATA Hiroyuki | 34-30 | MIYAZAKI Yuji | 
| TANIDA Kunihiko | 35-29 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 38-25 | YAMAZAKI Nobuyuki | 
| MIYAZAKI Yuji | 36-28 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 34-30 | SATO Tetsuya | 
| IWATA Hiroyuki | 38-26 | NAGASHIMA Kazuhito | 
| ITO Junya | 36-28 | IWATA Hiroyuki | 
| YAMAZAKI Nobuyuki | won against | IWATA Hiroyuki | 
| KOMAGATA Masayuki | 36-28 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 47-17 | SANO Joichiro | 
| IWATA Hiroyuki | 38-26 | SAITO Riki | 
| IWATA Hiroyuki | 34-30 | KATO Tomihiro | 
| SAKUSAI Yoshinari | 38-26 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 40-24 | SANO Yoko | 
| IWATA Hiroyuki | 33-31 | URUSHIHARA Kazuhiro | 
| IWATA Hiroyuki | 41-23 | SATO Tetsuya | 
| HAGIKURA Yutaka | 38-26 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 38-26 | HISHIYAMA Yuichi | 
| MIYAZAKI Yuji | 45-19 | IWATA Hiroyuki | 
| OHNO Atsuko | 33-31 | IWATA Hiroyuki | 
| WATANABE Hajime | 39-25 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 62-02 | TAKAHASHI Toshi | 
| KATORI Michihiro | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 57-07 | ISHII Kiyotaka | 
| IWATA Hiroyuki | 54-10 | HAGIKURA Yutaka | 
| WATANABE Hajime | 42-22 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 34-30 | ARAKI Kentaro | 
| IWATA Hiroyuki | 35-29 | TATSUMI-IIJIMA Yukiko | 
| HAGIKURA Yutaka | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 41-23 | KOBAYASHI Manabu | 
| KYOSAKA Yutsu | 37-27 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 33-31 | NAGASAKI Hidekazu | 
| TAKIZAWA Masaki | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 33-31 | KAMEMOTO Osamu | 
| TAKIZAWA Nobuyuki | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 33-31 | HOSHINO Yoshihiro | 
| IWATA Hiroyuki | 33-31 | SASAKI Sohei | 
| MIYAOKA Tamaki | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 33-31 | TAGUCHI Ryosuke | 
| IWATA Hiroyuki | 33-31 | MIZUNO Keigo | 
| OZAWA Kou | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 33-31 | KANAZAWA Kota | 
| NAGAMATSU Ryota | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 33-31 | SATO Tetsuya | 
| MURAKAMI Takeshi | 38-26 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 38-26 | SHIMONOSONO Kozo | 
| IWATA Hiroyuki | 42-22 | SATO Koichiro | 
| IWATA Hiroyuki | 54-10 | TATSUMI-IIJIMA Yukiko | 
| NAKAJIMA Tetsuya | 36-28 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 43-21 | WATAHIKI Kenta | 
| KOZUKA Katsuhiko | 33-31 | IWATA Hiroyuki | 
| SAITO Riki | 32-32 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 37-27 | OKUDA Tsuyoshi | 
| IWATA Hiroyuki | 51-13 | WATANABE Hideaki | 
| IWATA Hiroyuki | 48-16 | MATSUYA Shinpei | 
| MIYAZAKI Yuji | 38-26 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 39-25 | OHMORI Keita | 
| MATSUYA Shinpei | 37-27 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 39-25 | NAGASHIMA Kazuhito | 
| IWATA Hiroyuki | 38-26 | ASAHINA Satoshi | 
| IWATA Hiroyuki | 50-14 | SATAKE Yosuke | 
| IWATA Hiroyuki | 34-30 | KOMAGATA Masayuki | 
| ITO Junya | 36-28 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 46-18 | TATSUMI-IIJIMA Yukiko | 
| KOZUKA Katsuhiko | 38-26 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 33-31 | MIYAZAKI Yuji | 
| IWATA Hiroyuki | 34-30 | WATAHIKI Kenta | 
| YAMAKAWA Takashi | 41-23 | IWATA Hiroyuki | 
| TAKANASHI Yusuke | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 34-30 | TSUCHIDA Daisuke | 
| IWATA Hiroyuki | 41-23 | KOSHINO Kazuhiko | 
| IWATA Hiroyuki | 33-31 | NAGASHIMA Kazuhito | 
| IWATA Hiroyuki | 40-24 | SATO Koichiro | 
| NAKAJIMA Tetsuya | 57-07 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 42-22 | MATSUYA Shinpei | 
| SATANI Tetsu | 44-20 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 41-23 | NAGAO Hiroto | 
| IWATA Hiroyuki | 43-21 | MIYAZAKI Yuji | 
| IWATA Hiroyuki | 45-19 | NARIYA Makoto | 
| IWATA Hiroyuki | 48-16 | KOIDE Satoshi | 
| IWATA Hiroyuki | 37-27 | MATSUYA Shinpei | 
| SUEKUNI Makoto | 36-28 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 49-15 | HAMADA Kikue | 
| MIYAZAKI Yuji | 38-26 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 43-21 | ISHIKAWA Akira | 
| IWATA Hiroyuki | 52-12 | SANO Yoko | 
| IWATA Hiroyuki | 57-07 | NAKAJIMA Tetsuya | 
| IWATA Hiroyuki | 37-27 | SATANI Tetsu | 
| IWATA Hiroyuki | 47-17 | OKUDA Tsuyoshi | 
| IWATA Hiroyuki | won against | KANAZAWA Kota | 
| IWATA Hiroyuki | 41-23 | KOSHINO Kazuhiko | 
| IWATA Hiroyuki | 40-24 | WATANABE Hajime | 
| WATAHIKI Kenta | 39-25 | IWATA Hiroyuki | 
| MATSUYA Shinpei | 50-14 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 54-10 | MUNAKATA Tadaaki | 
| IWATA Hiroyuki | 53-11 | YAMAGUCHI Yoshiaki | 
| IWATA Hiroyuki | 34-30 | YAMAZAKI Nobuyuki | 
| IWATA Hiroyuki | 43-21 | TSUJI Shinji | 
| MIYAZAKI Yuji | 32-32 | IWATA Hiroyuki | 
| NARIYA Makoto | 37-27 | IWATA Hiroyuki | 
| TSUJI Shinji | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 33-31 | TOKI Yugo | 
| IWATA Hiroyuki | 42-22 | SUZUKI Yuta | 
| IWATA Hiroyuki | 44-20 | NISHIYAMA Momoko | 
| IWATA Hiroyuki | 50-14 | TESAKI Satoru | 
| IIJIMA Takamune | 41-23 | IWATA Hiroyuki | 
2008-12-27: Shinagawa_2008_A(Japan)
2008-12-23: 26_King_State(Japan)
2008-12-14: 3_Shinagawa_Open(Japan)
2008-12-07: 12_Ohu_Open(Japan)
2008-11-29: 25_King_State(Japan)
2008-11-23: 24_King_State(Japan)
2008-11-15: 28_King_State_A(Japan)
2008-11-03: 23_King_State(Japan)
2008-11-02: 60_Kanagawa_B(Japan)
2008-10-25: 22_King_State(Japan)
2008-10-13: 107_Nagareyama_Open(Japan)
2008-10-12: 21_King_State(Japan)
2008-10-04: 50_Shinagawa_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)
2008-09-07: 59_Kanagawa_Open_B(Japan)
2008-08-24: 3_Ouza_sen(Japan)
2008-08-02: 48_Shinagawa_open(Japan)
2008-07-27: 17_King_state_Open(Japan)
2008-07-19: 2008 Japanese  Championship(Japan)
2008-07-06: 2008 Kanagawa Open A(Japan)
2008-06-28: 16th King state special(Japan)
2008-06-21: 24th king state specialA(Japan)
2008-06-15: 15th King  state special(Japan)
2008-06-08: 2008 Tokyo preliminary(Japan)
2008-06-01: 11th Shingwa Open  (Japan)
2008-05-31: 1st Shinagawa age championship (above 5609)(Japan)
2008-05-24: 1st Shinagawa super league(Japan)
2008-05-10: Kanagawa Special Open 2008 (Japan)
2008-05-05: 12th king state cup special (Japan)
2008-05-03: 45_Shinagawa_open(Japan)
2008-04-29: 21st Kanto Open (Japan)
2008-03-29: 10th King state special 2008(Japan)
2008-03-23: 29_Meijin(Japan)
2008-02-17: 2008 Tokyo expert game(Japan)
2008-02-10: 8th king state special(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)
2008-01-06: Shinagawa Open 2008 advanced(Japan)
2008-01-03: Shinagawa Open 2008(Japan)
| NAKAMURA Yuya | 40-24 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 51-13 | HISHIYAMA Yuichi | 
| NAGANO Yasushi | 35-29 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 40-24 | NAKAJIMA Tetsuya | 
| IWATA Hiroyuki | 55-09 | KOBAYASHI Syunjiro | 
| MIYAZAKI Yuji | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 41-23 | KOBAYASHI Oh | 
| ITO Junya | 49-15 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 40-24 | ISHIKAWA Akira | 
| IWATA Hiroyuki | 49-15 | KOIDE Satoshi | 
| MIYAZAKI Yuji | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 39-25 | ARAKI Kentaro | 
| WATAHIKI Kenta | 40-24 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 51-13 | OZAWA Kou | 
| IWATA Hiroyuki | 33-31 | NOBUKAWA Hiroki | 
| ITAGAKI Kenichi | 32-32 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 42-22 | KOBAYASHI Syunjiro | 
| MIYAZAKI Yuji | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 39-25 | NODA Bintatsu | 
| IWATA Hiroyuki | 39-25 | YAMAZAKI Nobuyuki | 
| IWATA Hiroyuki | 38-26 | KAWAGUCHI Genki | 
| SATO Koichiro | 37-27 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 34-30 | NAKAJIMA Tetsuya | 
| IWATA Hiroyuki | 36-28 | SANO Yoko | 
| IWATA Hiroyuki | 48-16 | IZUMI Takashi | 
| MURAKAMI Takeshi | 54-10 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 42-22 | HIKARU Hidemi | 
| NOBUKAWA Hiroki | 36-28 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 33-31 | ITO Junya | 
| KIUCHI Hideyuki | 38-26 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 35-29 | OKADA Hionobu | 
| IWATA Hiroyuki | 38-26 | WAKIMOTO Naoyuki | 
| IWATA Hiroyuki | 51-13 | KOBAYASHI Manabu | 
| NAGASAKI Hidekazu | 38-26 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 53-11 | WATANABE Hideaki | 
| IWATA Hiroyuki | 48-16 | TSUKAMOTO Kazuma | 
| IWATA Hiroyuki | 38-26 | NAKAJIMA Tetsuya | 
| TATSUMI-IIJIMA Yukiko | 39-25 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 45-19 | KURAMOCHI Yuta | 
| IWATA Hiroyuki | 33-31 | NAGASAKI Hidekazu | 
| IWATA Hiroyuki | won against | NOBUKAWA Hiroki | 
| IWATA Hiroyuki | 47-17 | MORI Takahiro | 
| IWATA Hiroyuki | 36-28 | NAKAJIMA Tetsuya | 
| IWATA Hiroyuki | 54-10 | KIUCHI Hideyuki | 
| IWATA Hiroyuki | 41-23 | HISHIYAMA Yuichi | 
| IWATA Hiroyuki | 42-22 | KATO Yuzuru | 
| IWATA Hiroyuki | 52-12 | TOKI Yugo | 
| ITO Junya | 46-18 | IWATA Hiroyuki | 
| WATAHIKI Kenta | 57-07 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 39-25 | TANIGUCHI Yukiyoshi | 
| SATO Tetsuya | 35-29 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 47-16 | SANO Yoko | 
| IWATA Hiroyuki | 45-19 | OHTAKE Kosuke | 
| IWATA Hiroyuki | 35-29 | NAKAJIMA Tetsuya | 
| NAKANO Jo | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 44-20 | TATSUMI-IIJIMA Yukiko | 
| IWATA Hiroyuki | 58-06 | WATAHIKI Yoshiharu | 
| IWATA Hiroyuki | 46-18 | KURACHI Takayuki | 
| IWATA Hiroyuki | 42-22 | MIYAZAKI Yuji | 
| IWATA Hiroyuki | 53-11 | NAGASAKI Hidekazu | 
| IWATA Hiroyuki | 44-20 | MATSUYA Shinpei | 
| IWATA Hiroyuki | 36-28 | HIKARU Hidemi | 
| KIUCHI Hideyuki | 35-29 | IWATA Hiroyuki | 
| KOMAGATA Masayuki | 36-28 | IWATA Hiroyuki | 
| NAGASHIMA Kazuhito | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 35-29 | SATO Tetsuya | 
| IWATA Hiroyuki | 48-16 | TANAKA Atsushi | 
| SAWADA Tomohiro | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 35-29 | SUZUKI Yuta | 
| IWATA Hiroyuki | 37-27 | NAGASHIMA Kazuhito | 
| NOBUKAWA Hiroki | 35-29 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 33-31 | ITO Junya | 
| IWATA Hiroyuki | 35-29 | OZAWA Kou | 
| IWATA Hiroyuki | 35-29 | NAKANO Jo | 
| IWATA Hiroyuki | 43-21 | TANAKA Kensuke | 
| IWATA Hiroyuki | 36-28 | YAMADA Goro | 
| IWATA Hiroyuki | 44-20 | SUZUKI Yuta | 
| IWATA Hiroyuki | 35-29 | SATO Koichiro | 
| NAKAJIMA Tetsuya | 35-29 | IWATA Hiroyuki | 
| TAKANASHI Yusuke | 41-23 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 33-31 | IIJIMA Takamune | 
| IWATA Hiroyuki | 46-18 | SANO Yoko | 
| IWATA Hiroyuki | 34-30 | NOBUKAWA Hiroki | 
| IWATA Hiroyuki | 35-29 | YAMAKAWA Takashi | 
| NAGASAKI Hidekazu | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 46-18 | HAMADA Kikue | 
| IWATA Hiroyuki | 45-19 | MURAKAMI Takeshi | 
| IWATA Hiroyuki | 34-30 | IIJIMA Takamune | 
| NAKAJIMA Tetsuya | 41-23 | IWATA Hiroyuki | 
| SATO Koichiro | 41-23 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 44-20 | NARIYA Makoto | 
| IWATA Hiroyuki | 37-27 | OHUCHI Yasuhiro | 
| IWATA Hiroyuki | 35-29 | HONDA Naoto | 
| WATAHIKI Kenta | 53-11 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 35-29 | TANAKA Atsushi | 
| KAGAWA Yoichi | 34-30 | IWATA Hiroyuki | 
| OKUDA Tsuyoshi | 48-16 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 45-19 | KOSHINO Kazuhiko | 
| IWATA Hiroyuki | 43-21 | OKUDA Tsuyoshi | 
| IWATA Hiroyuki | 37-27 | KURITA Seiya | 
| IWATA Hiroyuki | 45-19 | MITSUYA Nobuaki | 
| IWATA Hiroyuki | 32-32 | YAMAKAWA Takashi | 
| TAKANASHI Yusuke | 52-12 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 32-32 | MURAKAMI Takeshi | 
| IWATA Hiroyuki | 45-19 | TANAKA Atsushi | 
| WATANABE Hideki | 41-23 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 52-12 | TATSUMI-IIJIMA Yukiko | 
| KURITA Seiya | 37-27 | IWATA Hiroyuki | 
| OKUDA Tsuyoshi | 39-25 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 33-31 | YAMAZAKI Nobuyuki | 
| IWATA Hiroyuki | 45-19 | YAMANOUCHI Atsushi | 
| IWATA Hiroyuki | 55-09 | HISHIYAMA Yuichi | 
| IWATA Hiroyuki | 36-28 | NAGASHIMA Kazuhito | 
| IWATA Hiroyuki | 44-20 | ARAKI Kentaro | 
| IWATA Hiroyuki | 44-20 | TAKANASHI Yusuke | 
| IWATA Hiroyuki | 44-20 | NAKAJIMA Tetsuya | 
| IWATA Hiroyuki | 47-17 | KOBAYASHI Syunjiro | 
| IWATA Hiroyuki | 35-29 | KOSHINO Kazuhiko | 
| IWATA Hiroyuki | 52-12 | TAKIGAWA Mitsuaki | 
| WATAHIKI Kenta | 44-20 | IWATA Hiroyuki | 
| NOBUKAWA Hiroki | 40-24 | IWATA Hiroyuki | 
| YAMAKAWA Takashi | 39-25 | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | NAGASAKI Hidekazu | 
| IWATA Hiroyuki | won against | TACHIKI Akira | 
| IIJIMA Takamune | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | OHNO Tomohiro | 
| OKAWA Akira | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | NOBUKAWA Hiroki | 
| IWATA Hiroyuki | won against | NOBUKAWA Hiroki | 
| IWATA Hiroyuki | won against | OHNO Atsuko | 
| IWATA Hiroyuki | won against | TOKI Yugo | 
| TAKANASHI Yusuke | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | ARAKI Kentaro | 
| IWATA Hiroyuki | won against | SAWAKI Yusuke | 
| TAKANASHI Yusuke | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | KOBAYASHI Syunjiro | 
| IWATA Hiroyuki | won against | KOBAYASHI Syunjiro | 
| IWATA Hiroyuki | won against | MORITA Yutsuka | 
| IWATA Hiroyuki | won against | YAMAZAKI Nobuyuki | 
| ITO Junya | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | MURAKAMI Takeshi | 
| IWATA Hiroyuki | won against | YAMAZAKI Nobuyuki | 
| IWATA Hiroyuki | won against | OZAWA Kou | 
| IWATA Hiroyuki | won against | ENOMOTO Yasuhiro | 
| TAKANASHI Yusuke | won against | IWATA Hiroyuki | 
| NAKAMURA Yuya | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | lost to | TANAKA Amane | 
| IWATA Hiroyuki | won against | WATANABE Hideaki | 
| IWATA Hiroyuki | won against | SAWADA Tomohiro | 
| IWATA Hiroyuki | won against | KOSHINO Kazuhiko | 
| IWATA Hiroyuki | won against | TOKI Yugo | 
| IWATA Hiroyuki | won against | TANAKA Atsushi | 
| IWATA Hiroyuki | won against | TSUKAMOTO Kazuma | 
| IWATA Hiroyuki | won against | AZUMA Hideki | 
| IWATA Hiroyuki | won against | TANIDA Kunihiko | 
| IWATA Hiroyuki | won against | KOZUKA Katsuhiko | 
| IWATA Hiroyuki | won against | ISHIZAKI Hikaru | 
| IWATA Hiroyuki | won against | YAMAZAKI Nobuyuki | 
| OHMORI Keita | lost to | IWATA Hiroyuki | 
| MATSUYA Shinpei | 32-32 | IWATA Hiroyuki | 
| WATAHIKI Kenta | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | lost to | NAGAO Hiroto | 
| IWATA Hiroyuki | won against | SAITO Aya | 
| KOBAYASHI Manabu | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | KOBAYASHI Syunjiro | 
| KOIDE Satoshi | won against | IWATA Hiroyuki | 
| HISHIYAMA Yuichi | won against | IWATA Hiroyuki | 
| ISHIKAWA Akira | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | TANIDA Keiko | 
| NAKAMURA Yuya | lost to | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | KOZUKA Katsuhiko | 
| NAKAJIMA Tetsuya | lost to | IWATA Hiroyuki | 
| TAKANASHI Yusuke | won against | IWATA Hiroyuki | 
| SAWADA Tomohiro | won against | IWATA Hiroyuki | 
| WATAHIKI Kenta | won against | IWATA Hiroyuki | 
| OHMORI Keita | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | MIYASHITA Naoto | 
| IWATA Hiroyuki | won against | WATANABE Hideaki | 
| IWATA Hiroyuki | won against | ISHIKAWA Akira | 
| IWATA Hiroyuki | won against | IIJIMA Takamune | 
| ITAGAKI Kenichi | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | MORI Takahiro | 
| SUKO Masayuki | won against | IWATA Hiroyuki | 
| SATAKE Yosuke | lost to | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | KAWAGUCHI Yuuki | 
| WATANABE Hajime | won against | IWATA Hiroyuki | 
| OKUDA Tsuyoshi | lost to | IWATA Hiroyuki | 
| KITOU Shota | won against | IWATA Hiroyuki | 
| KURITA Seiya | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | ARAKI Kentaro | 
| IWATA Hiroyuki | won against | KITOU Shota | 
| IWATA Hiroyuki | 35-29 | ASAHINA Satoshi | 
| IWATA Hiroyuki | 41-23 | TOMINAGA Kenta | 
| IWATA Hiroyuki | 47-17 | NAKAMURA Yuya | 
| NAKAJIMA Tetsuya | 53-11 | IWATA Hiroyuki | 
| NAGASAKI Hidekazu | lost to | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | KOIDE Satoshi | 
| IWATA Hiroyuki | won against | YAMAMURA Yuuki | 
| NAKAJIMA Tetsuya | won against | IWATA Hiroyuki | 
| ITO Junya | won against | IWATA Hiroyuki | 
| AZUMA Hideki | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | NAKANO Jo | 
| IWATA Hiroyuki | won against | YAMAZAKI Nobuyuki | 
| NAKAJIMA Tetsuya | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | lost to | OKAMOTO Akihiko | 
| IWATA Hiroyuki | won against | KOBAYASHI Manabu | 
| IWATA Hiroyuki | won against | OHMORI Keita | 
| NAKAJIMA Tetsuya | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 33-31 | NARIYA Makoto | 
| NAKANO Jo | 33-31 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 33-31 | YAMAZOE Keiji | 
| IWATA Hiroyuki | 33-31 | WAKIMOTO Naoyuki | 
| IWATA Hiroyuki | won against | OKAMOTO Akihiko | 
| IWATA Hiroyuki | won against | SANO Yoko | 
| IWATA Hiroyuki | won against | WATAHIKI Kenta | 
| IWATA Hiroyuki | won against | NAGASAKI Hidekazu | 
| IWATA Hiroyuki | won against | AZUMA Hideki | 
| IWATA Hiroyuki | won against | TANAKA Shuntaro | 
| IWATA Hiroyuki | won against | WATANABE Hideaki | 
| KURAMOCHI Yuta | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | YAMADA Takeo | 
| IWATA Hiroyuki | won against | UEDA Mikiya | 
| KOMAGATA Masayuki | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | YAMAKAWA Takashi | 
| IWATA Hiroyuki | 57-07 | KOJI Takahiro | 
| TANIDA Kunihiko | 37-27 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 56-08 | TESAKI Satoru | 
| IWATA Hiroyuki | 41-23 | NAGASAKI Hidekazu | 
| SATAKE Yosuke | 34-30 | IWATA Hiroyuki | 
| SUKO Masayuki | 42-22 | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | MURAKAMI Takeshi | 
| IWATA Hiroyuki | won against | OHTAKE Kosuke | 
| IWATA Hiroyuki | won against | TANAKA Atsushi | 
| IWATA Hiroyuki | won against | SAWADA Tomohiro | 
| NAKAJIMA Tetsuya | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | TAMAKI Kyotaro | 
| IWATA Hiroyuki | won against | HAMADA Kikue | 
| IWATA Hiroyuki | won against | TANIDA Kunihiko | 
| MURAKAMI Takeshi | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | ENOMOTO Yasuhiro | 
| IWATA Hiroyuki | won against | NAKAJIMA Tetsuya | 
| ITO Junya | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | TAMAKI Kyotaro | 
| IWATA Hiroyuki | won against | ITAGAKI Kenichi | 
| IWATA Hiroyuki | won against | MURAKAMI Takeshi | 
| SATO Koichiro | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | KAWAGUCHI Yuuki | 
| IWATA Hiroyuki | won against | KOMAGATA Masayuki | 
| IWATA Hiroyuki | won against | KOBAYASHI Oh | 
| IWATA Hiroyuki | 32-32 | TAKANASHI Yusuke | 
| IWATA Hiroyuki | won against | NISHIYAMA Momoko | 
| IWATA Hiroyuki | won against | SATO Koichiro | 
| IWATA Hiroyuki | won against | OKUDA Tsuyoshi | 
| IWATA Hiroyuki | won against | MURAKAMI Takeshi | 
| NAKAJIMA Tetsuya | won against | IWATA Hiroyuki | 
2007-12-15: 18th king state cup 2007 A(Japan)
2007-12-02: 10th head to head tournament(Japan)
2007-08-04: 38_Shinagawa_open(Japan)
2007-07-15: Japanese Othello Championship(Japan)
2007-05-03: 19_Kyoto_open(Japan)
2007-04-07: 34_Shinagawa_open(Japan)
| IWATA Hiroyuki | lost to | WATANABE Keiichi | 
| NAKAJIMA Tetsuya | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | IIJIMA Takamune | 
| IWATA Hiroyuki | won against | WATANABE Hideaki | 
| IWATA Hiroyuki | won against | ENOMOTO Yasuhiro | 
| MURAKAMI Takeshi | lost to | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | OKUDA Tsuyoshi | 
| NAGAO Hiroto | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | TAKEISHI Takuya | 
| IWATA Hiroyuki | won against | WATANABE Hajime | 
| TANAKA Atsushi | lost to | IWATA Hiroyuki | 
| NARIYA Makoto | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | 56-08 | SUGIMOTO Yuki | 
| URASHIMA Mei | 45-19 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 50-14 | YAMAMURA Yuuki | 
| IWATA Hiroyuki | 42-22 | SAWADA Tomohiro | 
| IWATA Hiroyuki | 43-21 | SATAKE Yosuke | 
| MURAKAMI Takeshi | 51-13 | IWATA Hiroyuki | 
| TAMAKI Suguru | won against | IWATA Hiroyuki | 
| TAKIZAWA Masaki | won against | IWATA Hiroyuki | 
| UNO Toshihiro | won against | IWATA Hiroyuki | 
| KOSHINO Kazuhiko | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | OGURI Kenji | 
| IWATA Hiroyuki | 39-25 | MIYAZAKI Yuji | 
| IWATA Hiroyuki | 40-24 | YAMAKAWA Takashi | 
| IWATA Hiroyuki | 42-22 | TAMAKI Suguru | 
| IWATA Hiroyuki | 39-25 | MATSUMOTO Hiroshi | 
| ARAKI Yasuyuki | 38-26 | IWATA Hiroyuki | 
| NAGAO Hiroto | 35-29 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 40-24 | OKAMOTO Kazuki | 
| IWATA Hiroyuki | 49-15 | KAWAGUCHI Genki | 
| IWATA Hiroyuki | 48-16 | SAKURAI Takeuchi | 
| IWATA Hiroyuki | 37-27 | YAMAKAWA Takashi | 
| TAKANASHI Yusuke | 35-29 | IWATA Hiroyuki | 
| NAKAJIMA Tetsuya | 37-27 | IWATA Hiroyuki | 
| HAGIKURA Yutaka | 33-31 | IWATA Hiroyuki | 
2006-05-03: 18_Kyoto_open(Japan)
| IWATA Hiroyuki | 52-12 | OKUDA Hiroyuki | 
| TAMAKI Kyotaro | 48-16 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 63-01 | HAMOTO Kazuhiro | 
| IWATA Hiroyuki | 34-30 | SYUGAME Junki | 
| IWATA Hiroyuki | 41-23 | SUGASE Takahiro | 
| TAMENORI Hideshi | 39-25 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 44-20 | SAWADA Tomohiro | 
2005-10-09: 214th Kyoto meeting(Japan)
2005-07-17: 33rd all Japan(Japan)
| MORI Takahiro | lost to | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | TOMINAGA Kenta | 
| IWATA Hiroyuki | won against | FUKUNAGA Kohachi | 
| SAKAGUCHI Kazuhiro | won against | IWATA Hiroyuki | 
| TSUCHIDA Eiji | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | NOMURA Hisaichi | 
| KAMEMOTO Osamu | won against | IWATA Hiroyuki | 
2004-07-18: 32nd All Japan(Japan)
2004-06-27: Kinki Conference 2004(Japan)
2004-05-03: 16_Kyoto_open(Japan)
| IWATA Hiroyuki | won against | WATANABE Hajime | 
| IWATA Hiroyuki | won against | ITAGAKI Kenichi | 
| IWATA Hiroyuki | won against | KIUCHI Hideyuki | 
| OKUDA Hiroyuki | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | MATSUMOTO Kishie | 
| TAMAKI Suguru | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | TANINO Takumi | 
| IWATA Hiroyuki | won against | OKUDA Masashi | 
| IWATA Hiroyuki | won against | YUSAKI Akihiro | 
| IWATA Hiroyuki | won against | MATSUMOTO Hiroshi | 
| TAMENORI Hideshi | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | 53-11 | KAGOTANI Hiroto | 
| SASAKI Sohei | 48-16 | IWATA Hiroyuki | 
| NAKAMURA Shuhei | 34-30 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 37-27 | MIYAZAKI Yuji | 
| IWATA Hiroyuki | 48-16 | KOUKAWA Satoshi | 
| YUSAKI Akihiro | 40-24 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 38-26 | SAWADA Tomohiro | 
2003-09-14: 189th Kyoto Meeting(Japan)
2003-06-29: Kinki Conference 2003(Japan)
2003-03-22: 24_Meijin(Japan)
| IWATA Hiroyuki | won against | WAZUKI Hiroyuki | 
| IWATA Hiroyuki | won against | TSUBOUCHI Masao | 
| SUGASE Takahiro | won against | IWATA Hiroyuki | 
| TAMAKI Suguru | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | TARU Eiichi | 
| KAWARADA Yuichi | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | TAMAKI Suguru | 
| UNO Toshihiro | won against | IWATA Hiroyuki | 
| KADO Naoki | won against | IWATA Hiroyuki | 
| KIMURA Keigo | won against | IWATA Hiroyuki | 
| IWATA Hiroyuki | won against | AKINO Yoshinori | 
| IWATA Hiroyuki | won against | KOBAYASHI Ritsuko | 
| IWATA Hiroyuki | 43-21 | IWASAKI Kazuo | 
| KAMEMOTO Osamu | 47-17 | IWATA Hiroyuki | 
| NODA Bintatsu | 42-22 | IWATA Hiroyuki | 
| IWATA Hiroyuki | 36-28 | SHUICHI Tsuda | 
| IWATA Hiroyuki | 33-31 | UCHIDA Kiyoyuki | 
| IWATA Hiroyuki | 36-28 | SATO Tomoyuki | 
| SATO Shinji | 46-18 | IWATA Hiroyuki | 
