Ratings
IO Hideo (Japan)
Japanese name(s): 井尾英夫181 tournaments
1041 results
Player ID: 6929
Rated T437 in Japan and T517 in Asia&Oceania&Africa and T645 in the World
Latest rating: 1814
1041 results
Player ID: 6929
Rated T437 in Japan and T517 in Asia&Oceania&Africa and T645 in the World
Latest rating: 1814
- 2023
- 2018
- 2017
- 2016
- 2015
- 2014
- 2013
- 2012
- 2011
- 2010
- 2009
- 2008
- 2007
- 2006
- 2005
- 2004
- 2003
- 2002
- 2001
- 2000
- 1999
- 1997
- 1996
- 1991
2023-10-07: 32_Kansai_championship_A(Japan)
| SHIMAMOTO Masanori | 43-21 | IO Hideo | 
| IO Hideo | 35-29 | KAWAZOE Osuke | 
| HARADA Shota | 38-26 | IO Hideo | 
| TOUYAMA Kanata | 44-20 | IO Hideo | 
| IO Hideo | 43-21 | TANAKA Michiko | 
| IO Hideo | 46-18 | NAGASHIMA Yoshitaka | 
| IKEHATA Keiko | 52-12 | IO Hideo | 
2018-12-16: Osaka_open_2018(Japan)
2018-11-04: 29_Kansai_championship_A(Japan)
2018-10-14: 47_All_Japan_Kinki_prelim(Japan)
2018-06-10: 46_All_Japan_Kinki_prelim(Japan)
2018-02-11: 2018_Kinki_Hokuriku_expert_games(Japan)
| TAGUCHI Amane | 34-30 | IO Hideo | 
| UEDA Takashi | 36-28 | IO Hideo | 
| IO Hideo | 52-12 | IMAI Chiaki | 
| TAGUCHI Shinya | 35-29 | IO Hideo | 
| OBATA Ohsawa | 33-31 | IO Hideo | 
| ONISHI Masaaki | 48-16 | IO Hideo | 
| NORIMITSU Ayumi | 35-29 | IO Hideo | 
| YAMASHITA Kazuma | 48-16 | IO Hideo | 
| IO Hideo | 40-24 | YAMASHITA Kiko | 
| NISHIMURA Akihiro | 39-25 | IO Hideo | 
| ISHIBASHI Takuya | 39-25 | IO Hideo | 
| MARUYAMA Tomohiro | 44-20 | IO Hideo | 
| IO Hideo | 34-30 | NAGASHIMA Yoshitaka | 
| SHIMAMURA Yoshihide | 49-15 | IO Hideo | 
| SAITO Hiroki | 46-18 | IO Hideo | 
| NISHIMURA Akihiro | 42-22 | IO Hideo | 
| YOSHIMOTO Hiroaki | 38-26 | IO Hideo | 
| YAKUSHIJI Kenta | 44-20 | IO Hideo | 
| IO Hideo | 33-31 | IMAI Chiaki | 
| IO Hideo | 37-27 | YAMASHITA Kiko | 
| NISHIMURA Akihiro | 43-21 | IO Hideo | 
| IO Hideo | 34-30 | TAGUCHI Amane | 
| FURUTA Utai | 47-17 | IO Hideo | 
| NAKAMORI Hiroki | 49-15 | IO Hideo | 
| NAKAYAMA Takahiro | 53-11 | IO Hideo | 
| IO Hideo | 38-26 | NAKAMURA Akifumi | 
| KASAI Yuta | 40-24 | IO Hideo | 
| MIYAZAKI Toru | 55-09 | IO Hideo | 
| IO Hideo | 40-24 | HAYASUGI Yu | 
| YAMAZAKI Takuya | 33-31 | IO Hideo | 
| IO Hideo | 48-16 | OBATA Jitsu | 
| KOBAYASHI Ritsuko | 56-08 | IO Hideo | 
| IO Hideo | 49-15 | OUMIYA Liana | 
2017-12-17: Osaka_open_2017(Japan)
2017-10-08: 28_Kansai_championship_A(Japan)
2017-05-28: 45_All_Japan_Hokuriku_prelim(Japan)
2017-05-03: 29_Kyoto_open(Japan)
2017-02-12: 2017_Kinki_Hokuriku_expert_games(Japan)
| SATO Junnosuke | 45-19 | IO Hideo | 
| OBATA Ohsawa | 46-18 | IO Hideo | 
| MATSUNO Tadayoshi | 47-17 | IO Hideo | 
| IO Hideo | 64-00 | NISHITANI Ruriko | 
| IWAMOTO Shouya | 55-09 | IO Hideo | 
| IO Hideo | 34-30 | ITO Itsuru | 
| SUZURIKAWA Toshimasa | 52-12 | IO Hideo | 
| HARA Tomokazu | 39-25 | IO Hideo | 
| IO Hideo | 39-25 | MATSUMOTO Kazunori | 
| IO Hideo | 33-31 | YOSHIMOTO Hiroaki | 
| TAGUCHI Mika | 37-27 | IO Hideo | 
| IO Hideo | 37-27 | OKAWA Chieko | 
| HAYASUGI Yu | 59-05 | IO Hideo | 
| IO Hideo | 34-30 | NOTSU Irie | 
| HAYAKAWA Mari | 43-21 | IO Hideo | 
| SANO Hidekazu | 41-23 | IO Hideo | 
| IO Hideo | 41-23 | SAKAMOTO Hiroshi | 
| SAITO Shigehiro | 37-27 | IO Hideo | 
| IO Hideo | 37-27 | SAKAI Rina | 
| IO Hideo | 34-30 | HATA Hayato | 
| IWAKURA Hiroaki | 40-24 | IO Hideo | 
| MATSUMOTO Kazunori | 41-23 | IO Hideo | 
| IO Hideo | 35-29 | NISHIMURA Akihiro | 
| SAITO Hiroki | 35-29 | IO Hideo | 
| TAGUCHI Mika | 33-31 | IO Hideo | 
| YOSHINO Toru | 55-09 | IO Hideo | 
| HISAMATSU Miu | 34-30 | IO Hideo | 
| HADA Jun | 41-23 | IO Hideo | 
| HORIKAWA Atsushi | 37-27 | IO Hideo | 
| KASAI Yuta | 42-22 | IO Hideo | 
| MATSUMOTO Kazunori | 39-25 | IO Hideo | 
| IO Hideo | 47-17 | KINOSHITA Midori | 
2016-12-18: Osaka_open_2016(Japan)
2016-10-09: 27_Kansai_championship_A(Japan)
2016-07-17: 44_All_Japan_championship(Japan)
2016-05-29: 44_All_Japan_Hokuriku_prelim(Japan)
2016-05-04: 28_Kyoto_open(Japan)
| SHIMAMURA Yoshihide | 46-18 | IO Hideo | 
| TAGUCHI Amane | 36-28 | IO Hideo | 
| SUGAWARA Misa | 38-26 | IO Hideo | 
| MIYAGAWA Yasuo | 33-31 | IO Hideo | 
| IO Hideo | 33-31 | MATSUMOTO Kishie | 
| IO Hideo | 57-07 | YOSHIDA Kana | 
| KASAI Yuta | 36-28 | IO Hideo | 
| YOSHINO Toru | 51-13 | IO Hideo | 
| NISHIMURA Akihiro | 37-27 | IO Hideo | 
| UEDA Takashi | 40-24 | IO Hideo | 
| IO Hideo | 49-15 | HAYASUGI Yu | 
| OHMURA Kenta | 35-29 | IO Hideo | 
| IO Hideo | 45-19 | MORI Takahiro | 
| IO Hideo | won against | SAWADA Takehiko | 
| ISHIKAWA Akira | won against | IO Hideo | 
| YOSHINO Toru | won against | IO Hideo | 
| IO Hideo | won against | OBARA Hiroto | 
| GOTO Masahiro | won against | IO Hideo | 
| IO Hideo | won against | YOSHIDA Kouki | 
| SANO Hidekazu | 35-29 | IO Hideo | 
| IO Hideo | 41-23 | KURODA Ichi | 
| SASAKI Minoru | 33-31 | IO Hideo | 
| IO Hideo | 58-06 | MASUBAYASHI Sakuko | 
| YOKOUCHI Yuji | 36-28 | IO Hideo | 
| MIYAZAKI Toru | 46-18 | IO Hideo | 
| USHIRO Hideaki | 46-18 | IO Hideo | 
| OHTSUBO Hidetaka | 35-29 | IO Hideo | 
| IO Hideo | 33-31 | TAKIGAWA Mitsuaki | 
| MATSUMOTO Kishie | 39-25 | IO Hideo | 
| KASAI Yuta | 54-10 | IO Hideo | 
| FUJIKI Hayato | 48-16 | IO Hideo | 
| IO Hideo | 43-21 | YAMAMOTO Masashi | 
2015-12-20: Osaka_open(Japan)
2015-10-11: 26_Kansai_championship(Japan)
2015-05-31: 43_All_Japan_Hokuriku_prelim(Japan)
| TAMAGAWA Oh | 37-27 | IO Hideo | 
| MATSUBARA Takashi | 47-17 | IO Hideo | 
| YAMAZAKI Takuya | 34-30 | IO Hideo | 
| MATSUMOTO Kishie | 44-20 | IO Hideo | 
| IO Hideo | 53-11 | MATSUO Taku | 
| IO Hideo | 51-13 | WAKITA Kengo | 
| ASANO Yoshiko | 34-30 | IO Hideo | 
| MIYAZAKI Toru | 50-14 | IO Hideo | 
| NISHIMURA Akihiro | 38-26 | IO Hideo | 
| MATSUBARA Takashi | 41-23 | IO Hideo | 
| KASAI Yuta | 40-24 | IO Hideo | 
| IO Hideo | 36-28 | OBAMA Satomi | 
| SAITO Hiroki | 42-22 | IO Hideo | 
| SANO Hidekazu | 45-19 | IO Hideo | 
| IO Hideo | 35-29 | FUNASAKI Hiro | 
| SASAKI Minoru | 37-27 | IO Hideo | 
| NOTSU Irie | 33-31 | IO Hideo | 
| SAITO Shigehiro | 46-18 | IO Hideo | 
2014-12-21: Osaka_open_2014(Japan)
2014-10-05: 25_Kansai_championship_A(Japan)
2014-06-22: 42_All_Japan_Hokuriku_prelim(Japan)
2014-03-23: 35_Meijin(Japan)
| SAITO Hiroki | 53-11 | IO Hideo | 
| IO Hideo | 40-24 | OBATA Yama | 
| IO Hideo | 44-20 | UEDA Takashi | 
| NORIMITSU Ayumi | 40-24 | IO Hideo | 
| OKAMURA Hiroaki | 42-22 | IO Hideo | 
| IO Hideo | 47-17 | MATSUMOTO Kishie | 
| SHIMAMURA Yoshihide | 35-29 | IO Hideo | 
| IO Hideo | 35-29 | SHIROGANE Tetsuya | 
| TSUCHIYA Keishiro | 36-28 | IO Hideo | 
| HADA Jun | 40-24 | IO Hideo | 
| NAKAYAMA Mari | 61-03 | IO Hideo | 
| UEDA Takashi | 35-29 | IO Hideo | 
| IO Hideo | 36-28 | FUNASAKI Hiro | 
| SANO Hidekazu | 47-17 | IO Hideo | 
| YOKOUCHI Yuji | 35-29 | IO Hideo | 
| OMODERA Osamu | 35-29 | IO Hideo | 
| IO Hideo | 42-22 | NOTSU Irie | 
| SUGASE Takahiro | won against | IO Hideo | 
| SHINOHARA Jun | won against | IO Hideo | 
| MATSUMOTO Hiroyuki | won against | IO Hideo | 
| SHINOHARA Ryo | won against | IO Hideo | 
| IO Hideo | won against | NAGAO Kazuki | 
| SHIROGANE Tetsuya | won against | IO Hideo | 
| NAKAYAMA Takahiro | won against | IO Hideo | 
2013-12-15: Osaka_open_2013(Japan)
2013-10-06: 24_Kansai_champ_A(Japan)
2013-06-23: 41_All_Japan_Hokuriku_prelim(Japan)
2013-02-10: 34_Kinki_Hokuriku_expert_game(Japan)
| MATSUMOTO Kishie | 37-27 | IO Hideo | 
| IO Hideo | 49-15 | TAMAGAWA Oh | 
| IO Hideo | 34-30 | NAKANISHI Kazuki | 
| IO Hideo | 49-15 | MATSUMOTO Kazunori | 
| MIYAZAKI Yuji | 47-17 | IO Hideo | 
| OKAMURA Hiroaki | 49-15 | IO Hideo | 
| SAKURAI Yuuka | 46-18 | IO Hideo | 
| UEDA Takashi | 46-18 | IO Hideo | 
| IO Hideo | 42-22 | KARATSU Yuri | 
| IO Hideo | 41-23 | NAKAYAMA Takahiro | 
| OKADA Kantha | 35-29 | IO Hideo | 
| IO Hideo | 45-19 | ASANO Yoshiko | 
| IO Hideo | 35-29 | OKAMURA Hiroaki | 
| OSATO Manabu | 40-24 | IO Hideo | 
| SANO Hidekazu | 43-21 | IO Hideo | 
| IO Hideo | 64-00 | KANDA Ayumi | 
| IO Hideo | 46-18 | NOTSU Irie | 
| NAKAYAMA Mari | 47-17 | IO Hideo | 
| MATSUMOTO Kishie | 43-21 | IO Hideo | 
| KASAI Yuta | 33-31 | IO Hideo | 
| MATSUMOTO Kazunori | 49-15 | IO Hideo | 
| SAKAMOTO Hiroshi | 38-26 | IO Hideo | 
| NAKAYAMA Takahiro | 33-31 | IO Hideo | 
| NISHIMINE Satoru | 48-16 | IO Hideo | 
| KIMURA Yamaji | 46-18 | IO Hideo | 
2012-07-18: 40_All_Japan_open_champ(Japan)
2012-06-24: 40_All_Japan_Hokuriku_prelim(Japan)
2012-05-03: 24_Kyoto_open(Japan)
2012-03-11: 285_Kyoto_meeting(Japan)
2012-02-12: 33_Kinki_Hokuriku_open(Japan)
| KANOU Eishi | won against | IO Hideo | 
| SUGUWARA Kiyoshi | won against | IO Hideo | 
| EBIHARA Yusuke | won against | IO Hideo | 
| URUSHIHARA Kazuhiro | won against | IO Hideo | 
| IO Hideo | won against | HASEGAWA Toshi | 
| SANO Hidekazu | won against | IO Hideo | 
| TOJO Atsushi | 39-25 | IO Hideo | 
| IO Hideo | 43-21 | SAITO Shigehiro | 
| IO Hideo | 56-08 | SAKAI Rina | 
| SANO Hidekazu | 44-20 | IO Hideo | 
| IO Hideo | 46-18 | TARU Eiichi | 
| HAMAMOTO Kazuhiro | 55-09 | IO Hideo | 
| NAGAO Hiroto | 58-06 | IO Hideo | 
| IO Hideo | 37-27 | ISHIKAWA Hiroyuki | 
| OHTSUBO Masayuki | 33-31 | IO Hideo | 
| NARUMI Hisatoshi | 52-12 | IO Hideo | 
| MATSUZAKA Katsuhiko | 49-15 | IO Hideo | 
| NAKAYAMA Takahiro | 38-26 | IO Hideo | 
| KAWAGUCHI Hayato | 44-20 | IO Hideo | 
| KADO Naoki | 45-19 | IO Hideo | 
| IO Hideo | 46-18 | HOSOI Shinsuke | 
| KENSHUN Yuga | 53-11 | IO Hideo | 
| HATA Hayato | 34-30 | IO Hideo | 
| UEDA Takashi | 35-29 | IO Hideo | 
| KOBAYASHI Ritsuko | 41-23 | IO Hideo | 
| YOSHIDA Shigenobu | 44-20 | IO Hideo | 
| ISHIKAWA Hiroyuki | 41-23 | IO Hideo | 
| IO Hideo | 51-13 | NITTA Yoshiko | 
| IO Hideo | 45-19 | NISHIMURA Akihiro | 
| NOMURACHO Kato | 45-19 | IO Hideo | 
| IO Hideo | 54-10 | SAKANE Yoshito | 
2011-11-13: 282_Kyoto_meeting(Japan)
2011-10-09: 22_Kansai_Champ(Japan)
2011-09-11: 280_Kyoto_meeting(Japan)
2011-07-10: 279_Kyoto_meeting(Japan)
2011-06-26: 39_Japan_Champ_Tokai_2nd_round_prelim(Japan)
2011-05-03: 23_Kyoto_open(Japan)
2011-04-10: 278_Kyoto_meeting(Japan)
2011-03-13: 277_Kyoto_meeting(Japan)
2011-03-06: 32_Kinki_Hokuriku_expert_game(Japan)
2011-02-13: 276_Kyoto_meeting(Japan)
2011-01-09: 275_Kyoto_meeting(Japan)
| IO Hideo | 60-04 | ISHIKAWA Hiroyuki | 
| KAMEDA Ryota | 52-12 | IO Hideo | 
| TODA Guratoshi | 40-24 | IO Hideo | 
| KINUTA Shiho | 48-16 | IO Hideo | 
| IO Hideo | 48-16 | ASANO Yuki | 
| IO Hideo | 41-23 | UEDA Takashi | 
| TSUCHIYA Ryosuke | 42-22 | IO Hideo | 
| SHIMAMURA Yoshihide | 50-14 | IO Hideo | 
| MATSUMOTO Kazunori | 33-31 | IO Hideo | 
| IO Hideo | 32-32 | NAKAYAMA Takahiro | 
| NISHIMINE Satoru | 39-25 | IO Hideo | 
| IO Hideo | 41-23 | OKAMURA Hiroaki | 
| NISHIMINE Satoru | 47-17 | IO Hideo | 
| IO Hideo | 50-14 | UEMON Hiroshi | 
| IO Hideo | 42-22 | KUSHIDA Yoko | 
| OKAMOTO Kazuki | 53-11 | IO Hideo | 
| NISHIMINE Satoru | 43-21 | IO Hideo | 
| IO Hideo | 45-19 | NOMURA Yusuke | 
| NOMURACHO Kato | 53-11 | IO Hideo | 
| IO Hideo | 48-16 | NISHIKAWA Kazuo | 
| SHIBATA Norikata | 36-28 | IO Hideo | 
| FUNASAKI Hiro | 39-25 | IO Hideo | 
| IO Hideo | 42-22 | TARU Eiichi | 
| SHIBATA Shiho | 37-27 | IO Hideo | 
| OURA Shingo | 38-26 | IO Hideo | 
| UNO Toshihiro | 34-30 | IO Hideo | 
| TAKAHASHI Shiu | 40-24 | IO Hideo | 
| NAKANO Shunsuke | 60-04 | IO Hideo | 
| IO Hideo | 62-02 | MIYASATO Shiyoko | 
| IO Hideo | 33-31 | KOIDE Satoshi | 
| KIGUCHI Tomoya | 36-28 | IO Hideo | 
| IO Hideo | 41-23 | MATSUMOTO Kazunori | 
| IWAKURA Hiroaki | 40-24 | IO Hideo | 
| KAMEDA Ryota | 46-18 | IO Hideo | 
| HATA Hayato | 37-27 | IO Hideo | 
| IO Hideo | 33-31 | NOMURA Yusuke | 
| IO Hideo | 50-14 | HOSOI Shinsuke | 
| TAKAGI Osato | 58-06 | IO Hideo | 
| IO Hideo | 47-17 | TODA Guratoshi | 
| IO Hideo | 33-31 | YOSHIDA Shigenobu | 
| IO Hideo | 35-29 | TODA Aritoshi | 
| HATA Hayato | 39-25 | IO Hideo | 
| TAKAGI Osato | 54-10 | IO Hideo | 
| NAKAMURA Yuki | 34-30 | IO Hideo | 
| HASHIMOTO Isamu | 37-27 | IO Hideo | 
| IO Hideo | 33-31 | TODA Guratoshi | 
| IO Hideo | 33-31 | KOBAYASHI Ritsuko | 
| IO Hideo | 35-29 | TODA Aritoshi | 
| MORI Takahiro | 34-30 | IO Hideo | 
| ASANO Yuki | 36-28 | IO Hideo | 
| IO Hideo | 36-28 | HATA Hayato | 
| OKAMOTO Kazuki | 39-25 | IO Hideo | 
| IO Hideo | 48-16 | HOSOI Shinsuke | 
| UNO Toshihiro | 36-28 | IO Hideo | 
| IO Hideo | 51-13 | NISHIMURA Akihiro | 
| KAMEDA Ryota | 38-26 | IO Hideo | 
| TAKAGI Osato | 43-21 | IO Hideo | 
| OKAMOTO Kazuki | 49-15 | IO Hideo | 
| IO Hideo | 36-28 | NISHIMURA Akihiro | 
| IO Hideo | 40-24 | HATA Hayato | 
| IO Hideo | 51-13 | HOSOI Shinsuke | 
| TAKAGI Osato | 52-12 | IO Hideo | 
2010-12-25: 274_Kyoto_meeting(Japan)
2010-11-14: 273_Kyoto_meeting(Japan)
2010-10-31: 21_Kansai_championships(Japan)
2010-10-10: 272_Kyoto_meeting(Japan)
2010-09-12: 271_Kyoto_meeting(Japan)
2010-08-09: 270_Kyoto_meeting(Japan)
2010-07-11: 269_Kyoto_meeting(Japan)
2010-06-13: 38_Japan_Champ_Hokuriku_prelim(Japan)
2010-05-09: 268_Kyoto_meeting(Japan)
2010-04-11: 267_Kyoto_meeting(Japan)
2010-03-14: 266_Kyoto_meeting(Japan)
2010-02-14: 31_Kinki_Hokuriku_expert(Japan)
2010-01-10: 265_Kyoto_meeting(Japan)
| OKAMOTO Kazuki | 50-14 | IO Hideo | 
| TODA Aritoshi | 36-28 | IO Hideo | 
| IO Hideo | 51-13 | OHE Yoshimaru | 
| MIYAZAKI Toru | 41-23 | IO Hideo | 
| KAMEDA Ryota | 53-11 | IO Hideo | 
| KAMEDA Ryota | 48-16 | IO Hideo | 
| NISHIMURA Akihiro | 41-23 | IO Hideo | 
| TODA Guratoshi | 57-07 | IO Hideo | 
| OHTAKE Sakiko | 39-25 | IO Hideo | 
| IO Hideo | 49-15 | HOSOI Shinsuke | 
| YOSHIDA Shigenobu | 51-13 | IO Hideo | 
| HASHIMOTO Isamu | 42-22 | IO Hideo | 
| SHIMAMURA Yoshihide | 54-10 | IO Hideo | 
| IO Hideo | 40-24 | SAKAMOTO Hiroshi | 
| KASAI Yuta | 52-12 | IO Hideo | 
| IO Hideo | 49-15 | TODA Guratoshi | 
| KANAI Kyousuke | 44-20 | IO Hideo | 
| IO Hideo | 37-27 | ANDO Keito | 
| KOBAYASHI Ritsuko | 49-15 | IO Hideo | 
| TODA Guratoshi | 49-15 | IO Hideo | 
| IO Hideo | 53-11 | HOSOI Shinsuke | 
| IO Hideo | 44-20 | OHTAKE Sakiko | 
| IO Hideo | 38-26 | KIMURA Yamaji | 
| YOSHIDA Shigenobu | 46-18 | IO Hideo | 
| TANAKA Atsushi | 39-25 | IO Hideo | 
| IO Hideo | 50-14 | TAKAHASHI Manabu | 
| IO Hideo | 36-28 | NISHIMURA Akihiro | 
| KAMEDA Ryota | 50-14 | IO Hideo | 
| IO Hideo | 53-11 | HATA Ikoma | 
| KAMEDA Ryota | 53-11 | IO Hideo | 
| NOMURA Yusuke | 33-31 | IO Hideo | 
| IO Hideo | 51-13 | NOMURACHO Kato | 
| TAKAHASHI Kenji | 34-30 | IO Hideo | 
| UNO Toshihiro | 51-13 | IO Hideo | 
| TANAKA Atsushi | 46-18 | IO Hideo | 
| HOSAKA Keisuke | 53-11 | IO Hideo | 
| IO Hideo | 47-17 | HATA Ikoma | 
| NISHIMURA Akihiro | 34-30 | IO Hideo | 
| HOSOI Shinsuke | 35-29 | IO Hideo | 
| TODA Guratoshi | 43-21 | IO Hideo | 
| UNO Toshihiro | 49-15 | IO Hideo | 
| SAITO Shigehiro | 54-10 | IO Hideo | 
| NIIE Satoshi | 36-28 | IO Hideo | 
| IO Hideo | 36-28 | TOJO Atsushi | 
| IO Hideo | 59-05 | TARU Eiichi | 
| SANO Hidekazu | 38-26 | IO Hideo | 
| UNO Toshihiro | 57-07 | IO Hideo | 
| YAMAGA Shinji | 41-23 | IO Hideo | 
| IO Hideo | 47-17 | HOSOI Shinsuke | 
| NISHIMINE Satoru | 36-28 | IO Hideo | 
| MAEHIRA Yusuke | 43-21 | IO Hideo | 
| NISHIMINE Satoru | 34-30 | IO Hideo | 
| MAEHIRA Yusuke | 41-23 | IO Hideo | 
| HASHIMOTO Isamu | 44-20 | IO Hideo | 
| IO Hideo | 55-09 | NISHIKAWA Kazuo | 
| IO Hideo | 42-22 | NISHIMURA Akihiro | 
| TAKAGI Osato | 35-29 | IO Hideo | 
| TAKAGI Osato | 33-31 | IO Hideo | 
| MAEHIRA Yusuke | 45-19 | IO Hideo | 
| IO Hideo | 54-10 | HOSOI Shinsuke | 
| TSUCHIYA Keishiro | 46-18 | IO Hideo | 
| IO Hideo | 43-21 | KOBAYASHI Ritsuko | 
| IO Hideo | 33-31 | NISHIMINE Satoru | 
| NAKATSUKA Miki | 38-26 | IO Hideo | 
| TSUCHIYA Ryosuke | 43-21 | IO Hideo | 
| IO Hideo | 33-31 | KASAI Yuta | 
| IO Hideo | 45-19 | ANDO Keito | 
| NAKAMURA Yuki | 41-23 | IO Hideo | 
| MATSUMOTO Hiroshi | 48-16 | IO Hideo | 
| IO Hideo | 53-11 | OBAMA Satomi | 
| IO Hideo | 49-15 | KANDA Ayumi | 
| TSUCHIYA Ryosuke | 41-23 | IO Hideo | 
| KOBAYASHI Ritsuko | 38-26 | IO Hideo | 
| YOSHIDA Shigenobu | 55-09 | IO Hideo | 
| KIMURA Yamaji | 45-19 | IO Hideo | 
| HATA Ikoma | 40-24 | IO Hideo | 
2009-12-13: 264_Kyoto_meeting(Japan)
2009-11-08: 263_Kyoto_meeting(Japan)
2009-11-03: 20_Kansai_Champ(Japan)
2009-10-11: 262_Kyoto_meeting(Japan)
2009-09-13: 261_Kyoto_meeting(Japan)
2009-08-09: 260_Kyoto_meeting(Japan)
2009-07-12: 259_Kyoto_meeting(Japan)
2009-06-28: 37_Japan_Champ_Hokuriku_prelim(Japan)
2009-06-14: 258_Kyoto_meeting(Japan)
2009-05-10: 257_Kyoto_meeting(Japan)
2009-04-12: 256_Kyoto_meeting(Japan)
2009-03-08: 255_Kyoto_Meeting(Japan)
2009-03-01: 30_Kinki_Hokuriku_Open_A(Japan)
2009-02-08: 254_Kyoto_Meeting(Japan)
2009-01-11: 253_Kyoto_Meeting(Japan)
| YOSHIDA Shigenobu | 36-28 | IO Hideo | 
| OKAMOTO Kazuki | 44-20 | IO Hideo | 
| KIYOYUKI Keisuke | 42-22 | IO Hideo | 
| IO Hideo | 56-08 | KANDA Ayumi | 
| YOSHIDA Yumi | 35-29 | IO Hideo | 
| KAMEDA Ryota | 44-20 | IO Hideo | 
| YAMADA Minoru | 42-22 | IO Hideo | 
| IO Hideo | 54-10 | HATA Ikoma | 
| HATA Hayato | 45-19 | IO Hideo | 
| IO Hideo | 53-11 | HOSOI Shinsuke | 
| KAMEDA Ryota | 56-08 | IO Hideo | 
| IO Hideo | 36-28 | KOBAYASHI Ritsuko | 
| HIRABAYASHI Eiji | 39-25 | IO Hideo | 
| IO Hideo | 48-16 | UMEZAWA Tadaaki | 
| KASAI Masaya | 54-10 | IO Hideo | 
| TAGUCHI Ryosuke | 37-27 | IO Hideo | 
| SANO Yoko | 34-30 | IO Hideo | 
| NAKAMURA Yuki | 41-23 | IO Hideo | 
| FUKUNAGA Kohachi | 33-31 | IO Hideo | 
| SUGASE Takahiro | 39-25 | IO Hideo | 
| IO Hideo | 46-18 | DAITO Kengo | 
| NAKAMURA Yuki | 36-28 | IO Hideo | 
| IO Hideo | 33-31 | HOSOI Shinsuke | 
| IO Hideo | 40-24 | UNO Toshihiro | 
| OBAMA Satomi | 34-30 | IO Hideo | 
| IO Hideo | 34-30 | MIYASATO Shiyoko | 
| FUKUNAGA Kohachi | 44-20 | IO Hideo | 
| NAKAGAKI Horiuchi | 38-26 | IO Hideo | 
| NISHIMURA Akihiro | 45-19 | IO Hideo | 
| YOSHIYUKI Suganuma | 45-19 | IO Hideo | 
| MORIOKA Wataru | 42-22 | IO Hideo | 
| IO Hideo | 35-29 | HATA Hayato | 
| TSUCHIYA Ryosuke | 49-15 | IO Hideo | 
| IO Hideo | 57-07 | HATA Ikoma | 
| NISHIMURA Akihiro | 45-19 | IO Hideo | 
| KAMEDA Ryota | 62-02 | IO Hideo | 
| KANAI Kyousuke | 35-29 | IO Hideo | 
| OKAMOTO Misaki | 37-27 | IO Hideo | 
| IO Hideo | 44-20 | NISHIMURA Akihiro | 
| TSUCHIYA Ryosuke | 40-24 | IO Hideo | 
| UMEDA Jun | 39-25 | IO Hideo | 
| BABA Toshifumi | 50-14 | IO Hideo | 
| SAITO Shigehiro | 44-20 | IO Hideo | 
| AIUCHI Housaka | 45-19 | IO Hideo | 
| TARU Eiichi | 37-27 | IO Hideo | 
| IO Hideo | 50-14 | NIIE Hiroki | 
| IWASAKI Yasuko | 45-19 | IO Hideo | 
| NIIE Satoshi | 33-31 | IO Hideo | 
| IO Hideo | 55-09 | SHIMIZU Takao | 
| OKAMOTO Kazuki | 58-06 | IO Hideo | 
| IO Hideo | 33-31 | HAGA Kazutoshi | 
| NISHIMINE Satoru | 35-29 | IO Hideo | 
| YODA Kazuya | 55-09 | IO Hideo | 
| IO Hideo | 40-24 | NISHIMURA Akihiro | 
| OKAMOTO Kazuki | 48-16 | IO Hideo | 
| IO Hideo | 53-11 | NISHIMURA Akihiro | 
| YOSHIDA Shigenobu | 46-18 | IO Hideo | 
| IO Hideo | 44-20 | OKATO Atsushi | 
| IO Hideo | 37-27 | NAKAGAKI Horiuchi | 
| MASHIKE Mootan | 35-29 | IO Hideo | 
| KANAI Kyousuke | 55-09 | IO Hideo | 
| IO Hideo | 45-19 | KAKIZAKI Yuiki | 
| IO Hideo | 48-16 | SHUTSHUKE Yuuko | 
| YODA Kazuya | 36-28 | IO Hideo | 
| IO Hideo | 36-28 | SHIOZAWA Akira | 
| IMANISHI Ryusuke | 36-28 | IO Hideo | 
| OKAMOTO Kazuki | 40-24 | IO Hideo | 
| HATA Hayato | 33-31 | IO Hideo | 
| IO Hideo | 41-23 | HATA Ikoma | 
| KIMURA Yamaji | 47-17 | IO Hideo | 
| IO Hideo | 48-16 | NISHIMURA Akihiro | 
| IO Hideo | 45-19 | OKAMOTO Kuwajima | 
| IO Hideo | 39-25 | UNO Toshihiro | 
| ISHIBASHI Takuya | 50-14 | IO Hideo | 
| IO Hideo | 48-16 | UCHIDA Kiyoyuki | 
| IO Hideo | 45-19 | MORIOKA Wataru | 
| NAKAMORI Hiroki | 40-24 | IO Hideo | 
| TSUCHIYA Ryosuke | 37-27 | IO Hideo | 
| NISHIMINE Satoru | 36-28 | IO Hideo | 
| KIMURA Yamaji | 42-22 | IO Hideo | 
| OKAMOTO Misaki | 39-25 | IO Hideo | 
| HASHIMOTO Isamu | 56-08 | IO Hideo | 
| IO Hideo | 33-31 | OKAMOTO Kuwajima | 
| IO Hideo | 42-22 | MORINAGA Syou | 
| IO Hideo | 40-24 | KURODA Takuji | 
| NUMASHIMA Makoto | 35-29 | IO Hideo | 
| KAMEDA Ryota | 40-24 | IO Hideo | 
| IO Hideo | 60-04 | TAJIRI Shigeo | 
| IO Hideo | 44-20 | BABA Toshifumi | 
| UNO Toshihiro | 42-22 | IO Hideo | 
2008-12-14: 252_Kyoyo_Meeting(Japan)
2008-11-09: 251_Kyoto_Meeting(Japan)
2008-11-02: 19_Kansai_CH_A(Japan)
2008-10-12: 250_Kyoto_meeting(Japan)
2008-09-14: 249_Kyoto_Othello_meeting(Japan)
2008-08-10: 248_Kyoto_Othello_meeting(Japan)
2008-07-13: 247th Kyoto Othello conventional meeting(Japan)
2008-06-29: 2008 Hokuriku preliminary(Japan)
2008-06-08: 246th Kyoto othello meeting(Japan)
2008-05-11: 245t Kyoto Othello meeting (Japan)
2008-04-13: 244th Kyoto meeting(Japan)
2008-03-09: 243rd Kyoto meeting(Japan)
2008-02-10: 242nd Kyoto conventional meeting(Japan)
2008-01-13: 241st Kyoto conventional meeting(Japan)
| IO Hideo | 48-16 | KITSUSHIN Go | 
| UNO Toshihiro | 33-31 | IO Hideo | 
| IO Hideo | 34-30 | EBIHARA Yusuke | 
| SUGASE Takahiro | 50-14 | IO Hideo | 
| IO Hideo | 35-29 | NISHIMINE Satoru | 
| OKAMOTO Kazuki | 40-24 | IO Hideo | 
| IO Hideo | 39-25 | KITSUSHIN Go | 
| ASANO Yuki | 38-26 | IO Hideo | 
| IO Hideo | 37-27 | NISHIMURA Akihiro | 
| SUGASE Takahiro | 39-25 | IO Hideo | 
| IO Hideo | 41-23 | HOSOI Shinsuke | 
| NISHIMINE Satoru | 40-24 | IO Hideo | 
| NAKAMURA Yuya | won against | IO Hideo | 
| YOSHIDA Shigenobu | 49-15 | IO Hideo | 
| KAWAKAMI Koji | 34-30 | IO Hideo | 
| IO Hideo | 38-26 | KASAI Yuta | 
| IO Hideo | 47-17 | KUBO Hiraki | 
| IO Hideo | 40-24 | AIUCHI Housaka | 
| WAKIMOTO Naoyuki | 51-13 | IO Hideo | 
| IWAO Hajime | 34-30 | IO Hideo | 
| IO Hideo | 33-31 | YOSHIDA Junya | 
| IO Hideo | won against | EBIHARA Yusuke | 
| UNO Toshihiro | won against | IO Hideo | 
| KANAI Kyousuke | 35-29 | IO Hideo | 
| IO Hideo | 33-31 | KAMATANI Higashide | 
| ASANO Yuki | 47-17 | IO Hideo | 
| IO Hideo | 37-27 | NISHIMURA Akihiro | 
| OKAMOTO Kuwajima | 38-26 | IO Hideo | 
| IO Hideo | 41-23 | MIYASATO Shiyoko | 
| NAKAMORI Chiaki | 55-09 | IO Hideo | 
| UNO Toshihiro | 43-21 | IO Hideo | 
| OBAMA Satomi | 34-30 | IO Hideo | 
| MIYAZAKI Toru | 57-07 | IO Hideo | 
| MORINAGA Syou | 40-24 | IO Hideo | 
| ASANO Yuki | 41-23 | IO Hideo | 
| IO Hideo | 54-10 | OKAMOTO Misaki | 
| IO Hideo | won against | HOSOI Shinsuke | 
| OKAMOTO Kazuki | won against | IO Hideo | 
| IO Hideo | won against | SUZUKI Kitagawa | 
| IO Hideo | lost to | YAMADA Minoru | 
| IO Hideo | lost to | TOKUSHIMA Akira | 
| IO Hideo | won against | SUZUKI Ryunoshin | 
| NIIE Satoshi | lost to | IO Hideo | 
| IO Hideo | won against | AIUCHI Housaka | 
| UNO Toshihiro | won against | IO Hideo | 
| IO Hideo | won against | TOJO Atsushi | 
| IO Hideo | lost to | SANO Hidekazu | 
| IO Hideo | won against | FUNASAKI Hiro | 
| IO Hideo | won against | HATA Teruaki | 
| YAMADA Minoru | won against | IO Hideo | 
| IO Hideo | won against | OBAMA Satomi | 
| IO Hideo | won against | HATA Hayato | 
| OKAMOTO Kazuki | won against | IO Hideo | 
| IO Hideo | won against | HOSOI Shinsuke | 
| MORINAGA Syou | lost to | IO Hideo | 
| IO Hideo | lost to | TANAKA Atsushi | 
| IO Hideo | lost to | FUNAKOSHI Shogo | 
| OKAMOTO Kazuki | won against | IO Hideo | 
| IO Hideo | won against | HOSOI Shinsuke | 
| NAKAMORI Hiroki | won against | IO Hideo | 
| OKAMOTO Kazuki | won against | IO Hideo | 
| HOSOI Shinsuke | lost to | IO Hideo | 
| YOSHIDA Shigenobu | won against | IO Hideo | 
| IO Hideo | won against | SHIMIZU Takao | 
| OKAMOTO Kuwajima | won against | IO Hideo | 
| KISHIMOTO Michiyo | lost to | IO Hideo | 
| KAMEDA Ryota | won against | IO Hideo | 
| IO Hideo | won against | OKAMOTO Misaki | 
| IO Hideo | lost to | HATA Hayato | 
| HOSOI Shinsuke | won against | IO Hideo | 
| IO Hideo | won against | HATA Teruaki | 
| UNO Toshihiro | won against | IO Hideo | 
| YAMAZAKI Kenji | won against | IO Hideo | 
| TSUBOUCHI Masao | lost to | IO Hideo | 
| OKAMOTO Kuwajima | won against | IO Hideo | 
| HOSOI Shinsuke | lost to | IO Hideo | 
| HATA Hayato | won against | IO Hideo | 
| IO Hideo | lost to | OKAMOTO Kuwajima | 
| IO Hideo | won against | YAMADA Minoru | 
| IO Hideo | won against | OBAMA Satomi | 
| IO Hideo | lost to | ISHIMOTO Kazuya | 
| OKAMOTO Kazuki | lost to | IO Hideo | 
| KANAI Kyousuke | won against | IO Hideo | 
2007-12-09: 240th Kyoto Meeting(Japan)
2007-11-11: 239th Kyoto Meeting(Japan)
2007-10-14: 238th Kyoto Meeting(Japan)
2007-09-09: 237th Kyoto meeting(Japan)
2007-08-12: 236th Kyoto Meeting(Japan)
2007-07-08: 235th Kyoto Meeting(Japan)
2007-06-10: 234th Kyoto Meeting(Japan)
2007-05-13: 233rd Kyoto Meeting(Japan)
2007-04-08: 232nd Kyoto Meeting(Japan)
2007-03-19: 231st Kyoto meeting(Japan)
2007-02-11: 230th Kyoto meeting(Japan)
2007-01-14: 229th Kyoto Meeting(Japan)
| IO Hideo | won against | TAKAHASHI Hiroki | 
| IZUMO Kengo | won against | IO Hideo | 
| IO Hideo | won against | SHIGEMASA Kiyoutarou | 
| IO Hideo | won against | OKAMOTO Tomihasa | 
| IO Hideo | won against | OBAMA Satomi | 
| OKAMOTO Kazuki | won against | IO Hideo | 
| IO Hideo | won against | MORIMOTO Hideki | 
| SATANI Tetsu | won against | IO Hideo | 
| IO Hideo | won against | FUKUHARA Shiho | 
| UNO Toshihiro | won against | IO Hideo | 
| IO Hideo | won against | HOSOI Shinsuke | 
| NAKAMORI Hiroki | won against | IO Hideo | 
| IO Hideo | won against | TAKAKE Ryota | 
| UNO Toshihiro | won against | IO Hideo | 
| ISHIMOTO Kazuya | won against | IO Hideo | 
| IO Hideo | won against | TAKAHASHI Hiroki | 
| IO Hideo | won against | SHUTSHUKE Yuuko | 
| IO Hideo | won against | KANAI Kyousuke | 
| IO Hideo | won against | HATA Ikoma | 
| SYUGAME Junki | won against | IO Hideo | 
| OKAMOTO Kazuki | won against | IO Hideo | 
| OKAMOTO Kuwajima | won against | IO Hideo | 
| UNO Toshihiro | won against | IO Hideo | 
| IO Hideo | won against | TAKAHASHI Hiroki | 
| IO Hideo | won against | OKAMOTO Misaki | 
| IO Hideo | won against | HOSOI Shinsuke | 
| OKAMOTO Kazuki | won against | IO Hideo | 
| IO Hideo | won against | GOTO Masahiro | 
| IO Hideo | won against | SHIMIZU Takao | 
| OKAMOTO Kuwajima | won against | IO Hideo | 
| IO Hideo | won against | TAKAHASHI Hiroki | 
| OKAMOTO Kazuki | won against | IO Hideo | 
| NAGAYAMA Hironari | won against | IO Hideo | 
| IO Hideo | won against | HATA Ikoma | 
| HATA Hayato | won against | IO Hideo | 
| OKAMOTO Kuwajima | won against | IO Hideo | 
| IO Hideo | won against | KOBAYASHI Ritsuko | 
| IO Hideo | won against | YOKOYAMA Yu | 
| TAMENORI Hideshi | won against | IO Hideo | 
| IO Hideo | won against | TAKAHASHI Yoshiko | 
| IO Hideo | won against | OBAMA Satomi | 
| OKAMOTO Kazuki | won against | IO Hideo | 
| HAGA Kazutoshi | won against | IO Hideo | 
| IO Hideo | won against | TAKAHASHI Hiroki | 
| MIYAZAKI Toru | won against | IO Hideo | 
| IO Hideo | won against | TAKAHASHI Hiroki | 
| OKAMOTO Kazuki | won against | IO Hideo | 
| UNO Toshihiro | won against | IO Hideo | 
| IO Hideo | won against | NISHIMINE Satoru | 
| IO Hideo | won against | OBAMA Satomi | 
| OKAMOTO Kazuki | won against | IO Hideo | 
| TAMAKI Suguru | won against | IO Hideo | 
| TAKAHASHI Yoshiko | won against | IO Hideo | 
| IO Hideo | won against | OKUDA Masashi | 
| IO Hideo | lost to | OKAMOTO Kazuki | 
| IO Hideo | lost to | TOJO Atsushi | 
| IO Hideo | won against | TARU Eiichi | 
| IO Hideo | won against | TANAKA Atsushi | 
| IO Hideo | won against | YAMAZOE Keiji | 
| IO Hideo | won against | NAKAMURA Yuki | 
| IO Hideo | lost to | NAGAYAMA Hironari | 
| IO Hideo | won against | MORIMOTO Hideki | 
| FUNAKOSHI Shogo | won against | IO Hideo | 
| IO Hideo | won against | HATA Akiyoshi | 
| IO Hideo | won against | ISHIKAWA Akira | 
| IO Hideo | won against | AOKI Akira | 
| IO Hideo | won against | MORIMOTO Hideki | 
| IO Hideo | won against | NAKAMORI Hiroki | 
| KANAI Kyousuke | won against | IO Hideo | 
| OKAMOTO Kazuki | won against | IO Hideo | 
| IO Hideo | won against | YAMAZOE Keiji | 
| TANAKA Atsushi | won against | IO Hideo | 
2006-12-10: 228th Kyoto Open(Japan)
2006-11-12: 227th Kyoto meeting(Japan)
2006-10-08: 226th Kyoto Open(Japan)
2006-09-10: 225th Kyoto meeting(Japan)
2006-08-13: 224th Kyoto Meeting(Japan)
2006-07-09: 223rd Kyoto Meeting(Japan)
2006-06-11: 222nd Kyoto Open(Japan)
2006-05-14: 221st Kyoto Open(Japan)
2006-04-09: 220th Kyoto Meeting(Japan)
2006-03-26: 27_Meijin(Japan)
2006-03-12: 219th Kyoto Open(Japan)
2006-02-12: 218th Kyoto Open(Japan)
2006-01-08: 217th Kyoto Open(Japan)
| IO Hideo | won against | SHIMIZU Takao | 
| IO Hideo | won against | MORIMOTO Hideki | 
| TAMENORI Hideshi | won against | IO Hideo | 
| UNO Toshihiro | won against | IO Hideo | 
| IO Hideo | won against | KOYAMA Yasuyuki | 
| MIYAZAKI Yuji | won against | IO Hideo | 
| IO Hideo | won against | MORIMOTO Osaka | 
| YAMAZOE Keiji | won against | IO Hideo | 
| IO Hideo | won against | TARU Eiichi | 
| IO Hideo | won against | SHIMIZU Takao | 
| IO Hideo | lost to | FUNAKOSHI Shogo | 
| IO Hideo | won against | MORIMOTO Hideki | 
| IO Hideo | won against | OBAMA Satomi | 
| TAKAHASHI Yoshiko | won against | IO Hideo | 
| YAMAGA Shinji | won against | IO Hideo | 
| IO Hideo | won against | SHUTSHUKE Yuuko | 
| IO Hideo | won against | KANAI Kyousuke | 
| TAMAKI Suguru | won against | IO Hideo | 
| NAKANO Shunsuke | won against | IO Hideo | 
| KANEKO Taketeru | won against | IO Hideo | 
| KOYAMA Yasuyuki | won against | IO Hideo | 
| IO Hideo | won against | NISHIMURA Yoshie | 
| YAMAGUCHI Yoshiaki | won against | IO Hideo | 
| NAGAYAMA Hironari | won against | IO Hideo | 
| IO Hideo | won against | TARU Eiichi | 
| KANAI Kyousuke | won against | IO Hideo | 
| IO Hideo | won against | KONO Yuichiro | 
| IO Hideo | won against | TAKAHASHI Manabu | 
| FUNAKOSHI Shogo | won against | IO Hideo | 
| IO Hideo | won against | KAWAKAMI Tomoya | 
| IO Hideo | won against | UNO Toshihiro | 
| KIMURA Keigo | won against | IO Hideo | 
| YAMAMOTO Yoshiki | won against | IO Hideo | 
| IO Hideo | won against | NISHIMURA Hidemi | 
| NAGAO Hiroto | won against | IO Hideo | 
| NAKANO Shunsuke | won against | IO Hideo | 
| OKAMOTO Kazuki | won against | IO Hideo | 
| IO Hideo | won against | TARU Eiichi | 
| MIYAZAKI Toru | won against | IO Hideo | 
| YAMADA Minoru | won against | IO Hideo | 
| FUNAKOSHI Shogo | won against | IO Hideo | 
| IO Hideo | won against | OBAMA Satomi | 
| UNO Toshihiro | won against | IO Hideo | 
| IO Hideo | won against | YAMAZOE Keiji | 
| NAKAMORI Hiroki | won against | IO Hideo | 
| MIYAZAKI Yuji | won against | IO Hideo | 
| IO Hideo | won against | MATSUMOTO Nobuko | 
| IO Hideo | won against | OKAMOTO Kazuki | 
| NAKANO Shunsuke | won against | IO Hideo | 
| UNO Toshihiro | won against | IO Hideo | 
| TAMAKI Suguru | won against | IO Hideo | 
| TAMAKI Kyotaro | 64-00 | IO Hideo | 
| YAMAMOTO Kunihiro | 64-00 | IO Hideo | 
| IO Hideo | 64-00 | KOYAMA Yoshiteru | 
| IO Hideo | 64-00 | OKI Chikara | 
| ISHII Kiyotaka | 64-00 | IO Hideo | 
| UCHIDA Kiyoyuki | 64-00 | IO Hideo | 
| OGIWARA Hidenori | 64-00 | IO Hideo | 
| MIYAZAKI Yuji | won against | IO Hideo | 
| UNO Toshihiro | won against | IO Hideo | 
| IO Hideo | won against | TAKENOBU Kosuke | 
| NAKANO Takao | won against | IO Hideo | 
| IO Hideo | won against | SANO Takeshi | 
| ISHIKAWA Akira | won against | IO Hideo | 
| NAKANO Takao | won against | IO Hideo | 
| IO Hideo | won against | TARU Eiichi | 
| MIYAZAKI Yuji | won against | IO Hideo | 
| IO Hideo | won against | TAKAHASHI Yoshiko | 
| OKUDA Masashi | won against | IO Hideo | 
| WAKU You | won against | IO Hideo | 
| IO Hideo | won against | NISHIMURA Junichi | 
| FUNAKOSHI Shogo | won against | IO Hideo | 
| UNO Toshihiro | won against | IO Hideo | 
| IO Hideo | won against | NAGAYAMA Hironari | 
| OBAMA Satomi | won against | IO Hideo | 
2005-12-12: 216th Kyoto meeting(Japan)
2005-11-13: 215th Kyoto Meeting(Japan)
2005-09-11: 213th Kyoto meeting(Japan)
2005-08-14: 212th Kyoto meeting(Japan)
2005-07-10: 211th Kyoto Meeting(Japan)
2005-06-12: 210th Kyoto Open(Japan)
2005-03-13: 207th Kyoto Meeting(Japan)
2005-02-13: 206th Kyoto meeting(Japan)
2005-01-09: 205th Kyoto Meeting(Japan)
| MAEHIRA Kotaro | lost to | IO Hideo | 
| MIYAZAKI Yuji | won against | IO Hideo | 
| IO Hideo | won against | OKUDA Masashi | 
| IO Hideo | lost to | MAEHIRA Yusuke | 
| UNO Toshihiro | won against | IO Hideo | 
| IO Hideo | won against | TARU Eiichi | 
| IO Hideo | won against | FUNAKOSHI Shogo | 
| NAKANO Takao | won against | IO Hideo | 
| IO Hideo | won against | TSUBOUCHI Masao | 
| IO Hideo | won against | NAKAMURA Yuki | 
| UNO Toshihiro | won against | IO Hideo | 
| IO Hideo | won against | MASUDA Kazuhisa | 
| IO Hideo | won against | NISHIGAMI Noboru | 
| NAKAMURA Yuki | won against | IO Hideo | 
| FUKUNAGA Kohachi | won against | IO Hideo | 
| IO Hideo | lost to | NISHIMINE Satoru | 
| OKUDA Masashi | won against | IO Hideo | 
| IO Hideo | won against | TARU Eiichi | 
| IO Hideo | lost to | NAKAMURA Yuki | 
| TAMAKI Suguru | won against | IO Hideo | 
| IO Hideo | won against | WAKU You | 
| UNO Toshihiro | won against | IO Hideo | 
| IO Hideo | won against | HATA Hayato | 
| IO Hideo | won against | FUNAKOSHI Shogo | 
| NAGAO Hiroto | won against | IO Hideo | 
| IO Hideo | won against | KOIDE Teruyo | 
| IO Hideo | won against | TARU Eiichi | 
| IO Hideo | won against | MIYAZAKI Yuji | 
| IO Hideo | won against | NAKAMORI Hiroki | 
| FUKUNAGA Kohachi | won against | IO Hideo | 
| IO Hideo | won against | INOUE Sadahiro | 
| IO Hideo | won against | NAKAMURA Yuki | 
| KITAMURA Kenichi | won against | IO Hideo | 
| AOKI Akira | won against | IO Hideo | 
| UNO Toshihiro | won against | IO Hideo | 
| IO Hideo | won against | NAKANO Takao | 
| AOKI Akira | won against | IO Hideo | 
| MIYAZAKI Yuji | won against | IO Hideo | 
| IO Hideo | won against | OBAMA Satomi | 
| TAKANO-TSUJI Toshimi | won against | IO Hideo | 
| MASUDA Kazuhisa | won against | IO Hideo | 
| TANINO Takumi | won against | IO Hideo | 
| FUNAKOSHI Shogo | won against | IO Hideo | 
| SUGASE Takahiro | won against | IO Hideo | 
| IO Hideo | won against | TARU Eiichi | 
| ASANO Yuki | won against | IO Hideo | 
| SUEKUNI Makoto | won against | IO Hideo | 
| IO Hideo | won against | TARU Eiichi | 
| IO Hideo | won against | MASUDA Kazuhisa | 
| KADO Naoki | won against | IO Hideo | 
| IO Hideo | won against | TAMAKI Suguru | 
| IO Hideo | won against | OKUDA Masashi | 
2004-11-14: 203rd Kyoto Meeting(Japan)
2004-10-10: 202nd Kyoto Meeting(Japan)
2004-09-12: 201st Kyoto Meeting(Japan)
2004-08-08: 200th Kyoto Meeting(Japan)
2004-07-11: 199th Kyoto Meeting(Japan)
2004-06-27: Kinki Conference 2004(Japan)
2004-06-16: 198th Kyoto Meeting(Japan)
2004-05-03: 16_Kyoto_open(Japan)
2004-04-11: 196th Kyoto Meeting(Japan)
2004-03-14: 195th Kyoto Meeting(Japan)
2004-02-08: 194th Kyoto Meeting(Japan)
2004-01-11: 193rd Kyoto Meeting(Japan)
| IO Hideo | won against | SASAYA Toshihiro | 
| IO Hideo | won against | FUNAKOSHI Shogo | 
| MIYAZAKI Toru | won against | IO Hideo | 
| FUKUNAGA Kohachi | won against | IO Hideo | 
| IO Hideo | won against | NAKAMURA Yuki | 
| NAKAMORI Hiroki | won against | IO Hideo | 
| SATO Ai | won against | IO Hideo | 
| SUEKUNI Makoto | won against | IO Hideo | 
| KAWAI Tokunao | won against | IO Hideo | 
| TAKEDA Hajime | won against | IO Hideo | 
| NORIMITSU Hiromi | won against | IO Hideo | 
| IO Hideo | won against | NISHIMURA Hidemi | 
| IO Hideo | won against | NISHIMINE Satoru | 
| SUGASE Takahiro | won against | IO Hideo | 
| KADO Naoki | won against | IO Hideo | 
| OHNO Atsuko | won against | IO Hideo | 
| IO Hideo | 32-32 | TARU Eiichi | 
| WAZUKI Hiroyuki | won against | IO Hideo | 
| FUNAKOSHI Shogo | won against | IO Hideo | 
| OHNO Atsuko | won against | IO Hideo | 
| IO Hideo | won against | TARU Eiichi | 
| IO Hideo | won against | KAGOTANI Hiroto | 
| IO Hideo | won against | MASUDA Kazuhisa | 
| SUGASE Takahiro | won against | IO Hideo | 
| IO Hideo | won against | MATSUZAKA Katsuhiko | 
| IO Hideo | won against | NAKATSUKA Miki | 
| TAMAKI Suguru | won against | IO Hideo | 
| NAKAMORI Hiroki | won against | IO Hideo | 
| IO Hideo | won against | IMAI Takatoshi | 
| KADO Naoki | won against | IO Hideo | 
| UNO Toshihiro | won against | IO Hideo | 
| IO Hideo | won against | AOKI Akira | 
| IO Hideo | won against | MIYATA Kohei | 
| MIYAZAKI Toru | won against | IO Hideo | 
| IO Hideo | won against | ICHIKAWA Yukinori | 
| IO Hideo | won against | SUGASE Takahiro | 
| IO Hideo | won against | NAKAMURA Yuki | 
| KURODA Takuji | won against | IO Hideo | 
| SENTOKU Hidefumi | won against | IO Hideo | 
| NAKANO Shunsuke | won against | IO Hideo | 
| IO Hideo | won against | TARU Eiichi | 
| TSUCHIYA Ryosuke | 35-29 | IO Hideo | 
| HASHIMOTO Yoshiaki | 42-22 | IO Hideo | 
| IO Hideo | 41-23 | MIYATA Kohei | 
| TOKUMARU Go | 48-16 | IO Hideo | 
| IO Hideo | 39-25 | NAKAYAMA Takahiro | 
| ISHIKAWA Akira | 41-23 | IO Hideo | 
| KONAMI Hiroshi | 38-26 | IO Hideo | 
| TANINO Takumi | won against | IO Hideo | 
| MIYAZAKI Yuji | won against | IO Hideo | 
| IO Hideo | won against | TSUBOUCHI Masao | 
| IO Hideo | won against | TARU Eiichi | 
| IO Hideo | won against | NAKAMURA Yuki | 
| IO Hideo | won against | SUZUKI Takahiro | 
| TAMAKI Suguru | won against | IO Hideo | 
| TSUCHIDA Daisuke | won against | IO Hideo | 
| WAZUKI Hiroyuki | won against | IO Hideo | 
| NAKAMURA Shuhei | won against | IO Hideo | 
| EIKICHI Masanobu | won against | IO Hideo | 
| IO Hideo | won against | TARU Eiichi | 
| MIYAMOTO Ikki | won against | IO Hideo | 
| WAZUKI Hiroyuki | won against | IO Hideo | 
| IO Hideo | won against | TSUCHIDA Daisuke | 
| TATSUMI Atsushi | won against | IO Hideo | 
| UNO Toshihiro | won against | IO Hideo | 
| IO Hideo | won against | TARU Eiichi | 
| TSUCHIDA Daisuke | won against | IO Hideo | 
| OKAMOTO Naoki | won against | IO Hideo | 
| IO Hideo | won against | OKUDA Masashi | 
| IO Hideo | won against | TARU Eiichi | 
| TSUCHIDA Daisuke | won against | IO Hideo | 
2003-12-14: 192nd Kyoto Meeting(Japan)
2003-11-09: 191st Kyoto Meeting(Japan)
2003-10-12: 190th Kyoto Meeting(Japan)
2003-09-14: 189th Kyoto Meeting(Japan)
2003-08-10: 188th Kyoto Meeting(Japan)
2003-07-13: 187th Kyoto Meeting(Japan)
2003-06-08: 186th Kyoto Meeting(Japan)
2003-04-13: 184th Kyoto Meeting(Japan)
2003-03-09: 183rd Kyoto Meeting(Japan)
2003-02-09: 182nd Kyoto Meeting(Japan)
2003-01-12: 181st Kyoto Meeting(Japan)
| TSUCHIDA Daisuke | won against | IO Hideo | 
| IO Hideo | won against | MASUDA Kazuhisa | 
| NAKAMURA Shuhei | won against | IO Hideo | 
| NAKAMURA Yuki | won against | IO Hideo | 
| FUNAKOSHI Shogo | won against | IO Hideo | 
| IO Hideo | won against | OKUDA Masashi | 
| TSUBOUCHI Masao | won against | IO Hideo | 
| TAMAKI Suguru | won against | IO Hideo | 
| MASUDA Kazuhisa | won against | IO Hideo | 
| IO Hideo | won against | TARU Eiichi | 
| WAZUKI Hiroyuki | won against | IO Hideo | 
| IO Hideo | won against | TARU Eiichi | 
| IO Hideo | won against | TARU Eiichi | 
| IO Hideo | won against | TARU Eiichi | 
| IO Hideo | won against | TARU Eiichi | 
| IO Hideo | won against | TARU Eiichi | 
| IO Hideo | won against | TARU Eiichi | 
| UNO Toshihiro | won against | IO Hideo | 
| SUGASE Takahiro | won against | IO Hideo | 
| TAMAKI Suguru | won against | IO Hideo | 
| TARU Eiichi | won against | IO Hideo | 
| IO Hideo | won against | TSUBOUCHI Masao | 
| WAZUKI Hiroyuki | won against | IO Hideo | 
| MAENO Ken'Ichi | won against | IO Hideo | 
| KADO Naoki | won against | IO Hideo | 
| OKUDA Masashi | won against | IO Hideo | 
| IO Hideo | won against | TARU Eiichi | 
| KIMURA Keigo | won against | IO Hideo | 
| TSUCHIDA Daisuke | won against | IO Hideo | 
| IO Hideo | won against | UNO Toshihiro | 
| MAENO Ken'Ichi | won against | IO Hideo | 
| IO Hideo | won against | OKUDA Masashi | 
| IO Hideo | won against | WAZUKI Hiroyuki | 
| SUGASE Takahiro | won against | IO Hideo | 
| HIRAKI Tatsuya | won against | IO Hideo | 
| UNO Toshihiro | won against | IO Hideo | 
| IO Hideo | won against | TARU Eiichi | 
| KADO Naoki | won against | IO Hideo | 
| IO Hideo | won against | SAGA Hiromi | 
| IO Hideo | won against | SENTOKU Hidefumi | 
| TARU Eiichi | won against | IO Hideo | 
| IO Hideo | won against | SAGA Hiromi | 
| TSUCHIDA Daisuke | won against | IO Hideo | 
| WAZUKI Hiroyuki | won against | IO Hideo | 
| SAGA Idai | won against | IO Hideo | 
| IO Hideo | won against | SAGA Hiroki | 
| IO Hideo | won against | SAGA Hiroki | 
| FUNAKOSHI Shogo | won against | IO Hideo | 
| IO Hideo | won against | TARU Eiichi | 
| MAENO Ken'Ichi | won against | IO Hideo | 
| IO Hideo | won against | FUNAKOSHI Shogo | 
| IO Hideo | won against | TARU Eiichi | 
| IO Hideo | won against | KOUSAKU Shigeki | 
| TSUCHIDA Daisuke | won against | IO Hideo | 
| HASHIMOTO Yoshiaki | won against | IO Hideo | 
| TSUBOUCHI Masao | won against | IO Hideo | 
| KOUKAWA Satoshi | won against | IO Hideo | 
| IBATA Kensuke | won against | IO Hideo | 
| IO Hideo | won against | TARU Eiichi | 
| IO Hideo | won against | KIMURA Keigo | 
| FUNAKOSHI Shogo | won against | IO Hideo | 
| OKUDA Masashi | won against | IO Hideo | 
2002-12-18: 180th Kyoto Meeting(Japan)
2002-11-10: 179th Kyoto Meeting(Japan)
2002-10-13: 178th Kyoto Meeting(Japan)
2002-09-08: 177th Kyoto Meeting(Japan)
2002-08-25: 2nd Anti Resistance Game(Japan)
2002-08-11: 176th Kyoto Meeting(Japan)
2002-07-14: 175th Kyoto Meeting(Japan)
2002-07-07: Kinki Conference 2002(Japan)
2002-06-09: 174th Kyoto Meeting(Japan)
2002-02-17: 61st Osaka Meeting(Japan)
2002-02-10: 171st Kyoto Meeting(Japan)
2002-01-20: 60th Osaka Meeting(Japan)
2002-01-13: 170th Kyoto Meeting(Japan)
| WAZUKI Hiroyuki | won against | IO Hideo | 
| IO Hideo | won against | MAENO Ken'Ichi | 
| IO Hideo | won against | ISHIKAWA Akira | 
| SUGASE Takahiro | won against | IO Hideo | 
| IO Hideo | won against | FUNAKOSHI Shogo | 
| TSUCHIDA Daisuke | won against | IO Hideo | 
| IO Hideo | won against | OKUDA Masashi | 
| FUNAKOSHI Shogo | won against | IO Hideo | 
| MAENO Ken'Ichi | won against | IO Hideo | 
| IO Hideo | won against | KADO Naoki | 
| IO Hideo | won against | TARU Eiichi | 
| SUGASE Takahiro | won against | IO Hideo | 
| UNO Toshihiro | won against | IO Hideo | 
| IO Hideo | won against | ETO Tetsuharu | 
| TSUCHIDA Daisuke | won against | IO Hideo | 
| IO Hideo | won against | HASHIMOTO Yoshiaki | 
| ETO Tetsuharu | won against | IO Hideo | 
| TSUCHIDA Daisuke | won against | IO Hideo | 
| IO Hideo | won against | UNO Toshihiro | 
| TAMAKI Suguru | won against | IO Hideo | 
| TOMINAGA Kenta | won against | IO Hideo | 
| HASEGAWA Ayumi | won against | IO Hideo | 
| MIYAMOTO Ikki | won against | IO Hideo | 
| MATSUMOTO Kishie | won against | IO Hideo | 
| INOUE Fumichika | won against | IO Hideo | 
| KIMURA Keigo | won against | IO Hideo | 
| HORIE Mieko | won against | IO Hideo | 
| TSUCHIDA Daisuke | won against | IO Hideo | 
| UNO Toshihiro | won against | IO Hideo | 
| TANAKA Norihiro | won against | IO Hideo | 
| TSUCHIDA Daisuke | won against | IO Hideo | 
| IO Hideo | won against | ETO Tetsuharu | 
| IO Hideo | won against | UNO Toshihiro | 
| IO Hideo | won against | KIMURA Keigo | 
| IO Hideo | won against | HASHIMOTO Yoshiaki | 
| IO Hideo | won against | TOJO Atsushi | 
| HASHIMOTO Yoshiaki | won against | IO Hideo | 
| IO Hideo | won against | NISHIMINE Satoru | 
| IO Hideo | won against | MIYAZAKI Masaharu | 
| KADO Naoki | won against | IO Hideo | 
| ISHIKAWA Akira | won against | IO Hideo | 
| IO Hideo | won against | TSUCHIDA Daisuke | 
| UNO Toshihiro | won against | IO Hideo | 
| IO Hideo | won against | TAMAKI Suguru | 
| TOKUMARU Go | won against | IO Hideo | 
| OKUDA Masashi | won against | IO Hideo | 
| TATSUMI Atsushi | won against | IO Hideo | 
| MATSUMOTO Kishie | won against | IO Hideo | 
| IO Hideo | won against | NISHIMINE Satoru | 
| IO Hideo | won against | SUZUKI Takao | 
| IO Hideo | won against | MATSUMOTO Kishie | 
| TSUBOUCHI Masao | won against | IO Hideo | 
| OKUDA Masashi | won against | IO Hideo | 
| HASHIMOTO Yoshiaki | won against | IO Hideo | 
| IO Hideo | won against | YOKOYAMA Chiaki | 
| ISOBE Ayuko | won against | IO Hideo | 
| IO Hideo | won against | HIRAKI Toshio | 
| TOKUMARU Go | won against | IO Hideo | 
| SUZUKI Takao | won against | IO Hideo | 
| IO Hideo | won against | MURAKAMI Tadayoshi | 
| HASHIMOTO Yoshiaki | won against | IO Hideo | 
| HASHIMOTO Yoshiaki | won against | IO Hideo | 
| IO Hideo | won against | OSADA Koji | 
| IO Hideo | won against | TARU Eiichi | 
| TSUCHIDA Daisuke | won against | IO Hideo | 
| SUGASE Takahiro | won against | IO Hideo | 
2001-12-09: 169th Kyoto Meeting(Japan)
2001-11-23: Kansai Championship A 2001(Japan)
2001-11-18: 70th Osaka Meeting(Japan)
2001-11-11: 168th Kyoto Meeting(Japan)
2001-06-10: 163rd Kyoto Meeting(Japan)
| IO Hideo | won against | OKUDA Masashi | 
| IO Hideo | won against | TSUBOUCHI Masao | 
| TSUCHIDA Daisuke | won against | IO Hideo | 
| OSADA Koji | won against | IO Hideo | 
| IO Hideo | won against | SUGASE Takahiro | 
| TAKASHIMA Ryoji | won against | IO Hideo | 
| IO Hideo | won against | TARU Eiichi | 
| SASAKI Sohei | won against | IO Hideo | 
| HASHIMOTO Yoshiaki | won against | IO Hideo | 
| IO Hideo | won against | TAMAKI Suguru | 
| IO Hideo | won against | YOKOYAMA Chiaki | 
| IO Hideo | won against | NISHIMINE Satoru | 
| IO Hideo | won against | FUKUI Seiji | 
| IO Hideo | won against | KADO Naoki | 
| SHIMA Miyuki | won against | IO Hideo | 
| HIRAKI Toshio | won against | IO Hideo | 
| TOKUMARU Go | won against | IO Hideo | 
| OKUDA Masashi | won against | IO Hideo | 
| IO Hideo | won against | TARU Eiichi | 
| UNO Toshihiro | won against | IO Hideo | 
| HASHIMOTO Yoshiaki | won against | IO Hideo | 
| IO Hideo | won against | TARU Eiichi | 
| IO Hideo | won against | SUGASE Takahiro | 
| IO Hideo | won against | TSUBOUCHI Masao | 
| OSADA Koji | won against | IO Hideo | 
| HASHIMOTO Yoshiaki | won against | IO Hideo | 
2000-07-09: 153rd Kyoto Meeting(Japan)
2000-06-11: 152nd Kyoto Meeting(Japan)
| KAGOTANI Hiroto | won against | IO Hideo | 
| SUGASE Takahiro | won against | IO Hideo | 
| HIROTA Akihiro | won against | IO Hideo | 
| IO Hideo | won against | KIKUCHI Ryuichi | 
| IO Hideo | won against | TARU Eiichi | 
| OKUDA Masashi | won against | IO Hideo | 
| IO Hideo | won against | URUSHIHARA Yoshihisa | 
| SUZUKI Takao | won against | IO Hideo | 
| IO Hideo | won against | IBATA Kensuke | 
| IO Hideo | won against | UNO Toshihiro | 
1999-06-14: 122nd Kyoto Meeting(Japan)
| IO Hideo | won against | HOSOMI Yuichirou | 
| TAKAMURA Kandai | won against | IO Hideo | 
| TANAKA Norihiro | won against | IO Hideo | 
| IMAI Takatoshi | won against | IO Hideo | 
| IO Hideo | won against | HOSOMI Yoshinobu | 
1997-10-12: 122nd Kyoto Meeting(Japan)
1997-06-21: 25th Hokuriku All Japan preliminary(Japan)
1997-03-09: 115th Kyoto Meeting(Japan)
1997-02-09: 114th Kyoto Meeting(Japan)
1997-01-12: 113th Kyoto Meeting(Japan)
| TARU Eiichi | won against | IO Hideo | 
| HIRAI Toshimitsu | won against | IO Hideo | 
| IMAI Takatoshi | won against | IO Hideo | 
| SUZUKI Shinichi | won against | IO Hideo | 
| YOKOYAMA Chiaki | won against | IO Hideo | 
| TAKAHASHI Manabu | won against | IO Hideo | 
| IJICHI Tamotsu | won against | IO Hideo | 
| IO Hideo | won against | IBATA Kensuke | 
| FUKUI Seiji | won against | IO Hideo | 
| SUZUKI Shinichi | won against | IO Hideo | 
| IO Hideo | won against | KAMATANI Higashide | 
| IO Hideo | won against | HIRAI Toshimitsu | 
| UNO Toshihiro | won against | IO Hideo | 
| TATSUMI Atsushi | won against | IO Hideo | 
| IO Hideo | won against | NAKAGAWA Ketsu | 
| IO Hideo | won against | MIYAZAKI Toru | 
| IO Hideo | won against | MATSUOKA Akira | 
| IO Hideo | won against | ITOI Koji | 
| TARU Eiichi | won against | IO Hideo | 
| UENO Kohei | won against | IO Hideo | 
| SUZUKI Takao | won against | IO Hideo | 
| TATSUMI Atsushi | won against | IO Hideo | 
| YOSHIMURA Osamu | won against | IO Hideo | 
| IO Hideo | won against | KODAMA Takashi | 
| FUJIKURA Katsuya | won against | IO Hideo | 
| IO Hideo | won against | NAKAGAWA Ketsu | 
1996-11-10: 111th Kyoto Meeting(Japan)
1996-10-13: 110th Kyoto Meeting(Japan)
1996-09-08: 109th Kyoto Meeting(Japan)
1996-08-11: 108th Kyoto Meeting(Japan)
1996-07-14: 107th Kyoto Meeting(Japan)
1996-06-09: 106th Kyoto Meeting(Japan)
1996-04-14: 104th Kyoto Meeting(Japan)
1996-03-10: 103rd Kyoto Meeting(Japan)
1996-02-11: 102nd Kyoto Meeting(Japan)
1996-01-14: 101st Kyoto Meeting(Japan)
| DOI Masato | won against | IO Hideo | 
| SUZUKI Takao | won against | IO Hideo | 
| IO Hideo | won against | UENO Mitoshi | 
| IO Hideo | won against | ITOI Koji | 
| IO Hideo | won against | UNO Toshihiro | 
| IO Hideo | won against | DOI Masato | 
| YOSHIMURA Osamu | won against | IO Hideo | 
| IO Hideo | won against | YOKOYAMA Chiaki | 
| NAKAGAWA Ketsu | won against | IO Hideo | 
| IO Hideo | won against | IKEBE Yasunobu | 
| HARA Shuichi | won against | IO Hideo | 
| KONO Yuichiro | won against | IO Hideo | 
| IO Hideo | won against | HIRAI Rinko | 
| TATSUMI Atsushi | won against | IO Hideo | 
| YOKOYAMA Chiaki | won against | IO Hideo | 
| YOKOYAMA Chiaki | won against | IO Hideo | 
| IO Hideo | won against | KURODA Takuji | 
| ISHIKAWA Akira | won against | IO Hideo | 
| IO Hideo | won against | SUZUKI Shinichi | 
| SONOZAKI Hiromichi | won against | IO Hideo | 
| IO Hideo | won against | SONOZAKI Yutsuka | 
| UENO Kohei | won against | IO Hideo | 
| IBATA Kensuke | won against | IO Hideo | 
| IO Hideo | won against | OKUDA Masashi | 
| IO Hideo | won against | FUJIKURA Katsuya | 
| SONOZAKI Hiromichi | won against | IO Hideo | 
| ASAWA Masakazu | won against | IO Hideo | 
| IO Hideo | won against | KITAOKA Takeshi | 
| IO Hideo | won against | KURODA Takuji | 
| IKEBE Yasunobu | won against | IO Hideo | 
| FUKUI Seiji | won against | IO Hideo | 
| SUZUKI Takao | won against | IO Hideo | 
| IO Hideo | won against | HIRAMINE Kikuchi | 
| IO Hideo | won against | TSUBOUCHI Masao | 
| IO Hideo | won against | TATSUMI Atsushi | 
| SUZUKI Takao | won against | IO Hideo | 
| IO Hideo | won against | WADA Masanori | 
| IO Hideo | won against | YOKOYAMA Chiaki | 
| IO Hideo | won against | NAKAZAWA Hirofumi | 
| IO Hideo | won against | SONOZAKI Rie | 
| IO Hideo | won against | FUJIKURA Katsuya | 
| ISHIKAWA Akira | won against | IO Hideo | 
| WADA Masanori | won against | IO Hideo | 
| IO Hideo | won against | TARU Eiichi | 
| IO Hideo | won against | TARU Eiichi | 
| WADA Masanori | won against | IO Hideo | 
| IO Hideo | won against | SONOZAKI Hiromichi | 
| FUJIKURA Katsuya | won against | IO Hideo | 
| IO Hideo | won against | SONOZAKI Rie | 
| IO Hideo | won against | OKUDA Masashi | 
1991-11-10: 52nd Kyoto Meeting(Japan)
1991-10-13: 51st Kyoto Meeting(Japan)
1991-03-17: 12th Meijin Kansai Preliminaries(Japan)
| IO Hideo | won against | FUJIKURA Katsuya | 
| NAKAZAWA Shigeko | won against | IO Hideo | 
| KOBAYASHI Atsushi | won against | IO Hideo | 
| IO Hideo | won against | NAKAZAWA Hiromu | 
| IO Hideo | won against | ISHIBASHI Makoto | 
| OKUDA Masashi | won against | IO Hideo | 
| IO Hideo | won against | ADACHI Motoki | 
| OKUDA Masashi | won against | IO Hideo | 
| KOBAYASHI Atsushi | won against | IO Hideo | 
| IO Hideo | won against | NAKAZAWA Hiromu | 
| IO Hideo | won against | TAKASUGI Koichi | 
| IO Hideo | won against | NAKAZAWA Shigeko | 
| HASEGAWA Kazuto | won against | IO Hideo | 
