| 1 | Kitani Minoru | 4p | Onoda Chiyotaro | 6 dan | B+2 | 251 | 1928-01-03 | Nihon Ki-in vs. Keiinsha Match | Game 25 |
| 2 | Kitani Minoru | 4p | Onoda Chiyotaro | 6p | B+6 | 277 | 1928-01-07 | Nihon Ki-in vs. Keiinsha Match | Game 23 |
| 3 | Kitani Minoru | 4p | Onoda Chiyotaro | 6p | B+1 | 220 | 1928-01-29 | Nihon Ki-in vs. Keiinsha Match | Game 24 |
| 4 | Kitani Minoru | 4p | Onoda Chiyotaro | 6p | B+R | 161 | 1928-12-05 | Oteai,1928 | |
| 5 | Kitani Minoru | 4p | Onoda Chiyotaro | 6p | W+3 | 354 | 1929-09-01 | Jiji Shinpo Win & Continue Series | |
| 6 | Kitani Minoru | 4p | Onoda Chiyotaro | 6p | B+R | 121 | 1929-10-02 | Oteai, Autumn session | 1 |
| 7 | Kitani Minoru | 5p | Onoda Chiyotaro | 6 dan | B+10 | 285 | 1930-01-10 | Jiji Shinpo Win & Continue Series | Kitani on 1 win |
| 8 | Kitani Minoru | 5p | Onoda Chiyotaro | 6p | B+R | 185 | 1930-03-05 | Oteai, Spring session | Round 1 of 8 |
| 9 | Onoda Chiyotaro | 6p | Kitani Minoru | 5p | B+R | 213 | 1931-04-08 | Oteai, Spring Session | Round 6 of 8 |
| 10 | Kitani Minoru | 5p | Onoda Chiyotaro | 6p | B+10 | 187 | 1932-04-27 | Oteai, Spring Session, 1932 | 8 of 8 |
| 11 | Onoda Chiyotaro | 6p | Kitani Minoru | 6p | W+R | 164 | 1934-01-03 | Jiji Shinpo Win & Continue Tournament | |
| 12 | Kitani Minoru | 6p | Onoda Chiyotaro | 6p | B+R | 149 | 1934-01-12 | Japan Championship sponsored by Tokyo Nichinichi Shinbun & Osaka Mainichi Shinbun, 1st | Round 2 |
| 13 | Kitani Minoru | 6p | Onoda Chiyotaro | 6p | B+R | 157 | 1934-04-04 | Oteai, 1934, Spring Session | Round 5 |
| 14 | Kitani Minoru | 6p | Onoda Chiyotaro | 6 dan | W+4 | 243 | 1935-01-09 | Yomiuri High-dan Players 3000 Yen Win & Continue 3-game Matches | Game 1 of 3 |
| 15 | Onoda Chiyotaro | 6p | Kitani Minoru | 6p | W+2 | 237 | 1935-01-10 | Yomiuri High-dan Players 3000 Yen Win & Continue 3-game Matches | Game 2 of 3 |
| 16 | Onoda Chiyotaro | 6p | Kitani Minoru | 6p | W+10 | 225 | 1935-01-11 | Yomiuri High-dan Players 3000 Yen Win & Continue 3-game Matches | Game 3 of 3 |
| 17 | Onoda Chiyotaro | 6p | Kitani Minoru | 6p | B+R | 111 | 1935-05-22 | Oteai, Spring Session | Round 7 of 8 |
| 18 | Onoda Chiyotaro | 6p | Kitani Minoru | 7p | W+4 | 228 | 1936-05-13 | Oteai, 1936, Spring Session | Round 6 of 8 |
| 19 | Onoda Chiyotaro | 6p | Kitani Minoru | 7p | W+R | 140 | 1938-01-17 | East-West Japan Match with Komi sponsored by Hochi Shinbun | Kitani on 1 win |
| 20 | Onoda Chiyotaro | 3p | Kogishi Soji | 3p | W+R | 132 | 1917-01-01 | Game sponsored by Jiji Shinpo | |
| 21 | Kubomatsu Katsukiyo | 6p | Onoda Chiyotaro | 6p | B+4 | 208 | 1928-03-14 | Oteai, Spring session | Round 2 of 8 |
| 22 | Kubomatsu Katsukiyo | 6p | Onoda Chiyotaro | 6p | B+7 | 262 | 1934-11-14 | Oteai, Autumn Session | Round 6 of 8 |
| 23 | Kubomatsu Katsukiyo | 6p | Onoda Chiyotaro | 6p | B+1.5 | 226 | 1939-01-01 | Honinbo, 01st | 3rd Preliminary {6-dan Section}, Semi-final |
| 24 | Murashima Yoshinori | 5p | Onoda Chiyotaro | 6p | B+R | 93 | 1939-01-01 | Honinbo, 01st | 4th Preliminary {6-dan Section}, Round 1 |
| 25 | Onoda Chiyotaro | 3p | Segoe Kensaku | 5p | B+2 | 217 | 1918-01-01 | | |
| 26 | Onoda Chiyotaro | 4p | Segoe Kensaku | 5p | W+R | 140 | 1920-09-27 | Hochi Shinbun win & continue tournament | |
| 27 | Takagawa Shukaku | 5p | Onoda Chiyotaro | 7p | B+3 | 231 | 1941-04-02 | Oteai, 1941 | First Session, Round 1 |
| 28 | Onoda Chiyotaro & Miyasaka Shinji & Kogishi Soji | 5p | Honinbo Shusai & Kita Fumiko & Inoue Kohei | 9p | W+R | 142 | 1923-08-25 | Chuo Ki-in relay game | |
| 29 | Segoe Kensaku&&& | 6p | Onoda Chiyotaro&&&Honinbo Shusai | 5p | Left unfinished | 53 | 1924-01-10 | Relay game before the spirit of Kogishi Soji 6d (d. 1924-01-07) | |
| 30 | Onoda Takuya | 2p | Murakawa Daisuke | 9p | W+R | 94 | 2015-01-13 | Kansai-Kiin 1st place, 59th | 1st round |
| 31 | Yuki Satoshi | 9p | Onoda Takuya | 2p | B+R | 113 | 2014-05-28 | Kansai-Kiin 1st place tournament, 58th | 3 |
| 32 | Go Seigen | 3p | Onodera Arata | 3p | B+R | 155 | 1929-04-06 | "Archers of Yue versus Genius of Wu" series sponsored by Kido | Game 2 (of 13) |
| 33 | onseunghun [~] | | anbyeong'un [~] | | B+R | 163 | 2012-11-18 | | |
| 34 | bagcangmyeong [~] | | onseunghun [~] | | W+0.5 | 251 | 2012-11-18 | | |
| 35 | onseunghun [~] | | bagcangmyeong [~] | | W+R | 168 | 2013-06-01 | | |
| 36 | coegwangho [~] | 5 dan | onseunghun [~] | 7 dan | B+1.5 | 275 | 2014-07-12 | | |
| 37 | coeinhyeog [~] | | onseunghun [~] | | W+7.5 | 258 | 2012-06-13 | | |
| 38 | gang'gigug [~] | 5p | onseunghun [~] | 7p | W+R | 160 | 2016-09-10 | | |
| 39 | onseunghun [~] | 7p | gangjihun [~] | 7p | B+R | 133 | 2014-05-10 | | |
| 40 | onseunghun [~] | | hongmujin [~] | | W+R | 146 | 2013-04-06 | | |
| 41 | onseunghun [~] | 1p ? | isangbin [~] | 1p ? | W+R | 262 | 2016-10-02 | | |
| 42 | onseunghun [~] | | jinseungjae [~] | | B+R | 113 | 2013-08-15 | | |
| 43 | onseunghun [~] | | jogwanghyi [~] | | B+0.5 | 118 | 2006-07-05 | | |
| 44 | seojunghwi [~] | 7p | onseunghun [~] | 6p | B+R | 219 | 2005-03-12 | | |
| 45 | onseunghun [~] | | Shin Minjun | | B+R | 181 | 2012-03-17 | | |
| 46 | songhongseog [~] | | onseunghun [~] | | W+0.5 | 281 | 2012-05-12 | | |
| 47 | onsojin(poseuko) [~] | 6p | An Kukhyun | 2p | W+4.5 | 313 | 2011-05-15 | | |
| 48 | Chen Shiying | 4p | onsojin(poseukokemteg) [~] | 6p | W+R | 144 | 2010-12-17 | | |
| 49 | onsojin(poseukoLED) [~] | 6p | An Kukhyun | 3p | W+10.5 | 329 | 2011-08-18 | | |
| 50 | bagjeongsang(Kixx) [~] | 9p | onsojin(poseukoLED) [~] | 6p | W+R | 204 | 2012-04-26 | | |
| 51 | onsojin(poseukoLED) [~] | 6p | Han Wonggyu | 3p | W+0.5 | 267 | 2011-06-03 | | |
| 52 | Kim Kiyoung | 6p | onsojin(poseukoLED) [~] | 6p | B+R | 213 | 2012-05-19 | | |
| 53 | Kim Seung Jae | 4p | onsojin(poseukoLED) [~] | 6p | B+R | 207 | 2011-10-06 | | |
| 54 | onsojin(poseukoLED) [~] | 6p | Lee Sedol | 9p | B+R | 125 | 2011-06-10 | Korean Baduk League, 2011 | Team Shinan Chunil Salt vs Team Posco LED |
| 55 | onsojin-ihajin [~] | | hwang'ijung-pan'weijing [~] | | W+R | 168 | 2008-10-17 | | |
| 56 | on'yang [DSHN~] | 7d* | deuruideu [DSHN~] | 1p ? | B+R | 225 | 2001-11-16 | | |
| 57 | on'yang [DSHN~] | 7d* | deuruideu [DSHN~] | 1p ? | B+R | 213 | 2001-11-23 | | |
| 58 | onyx [IGS] | 4 dan | Enda Yoichi [IGS] | 6p | B+4,5 | 230 | 1995-09-07 | | |
| 59 | Ooki Keiji | 2p | Matsuoka Hideki | 1p ? | W+R | 204 | 1988-09-05 | Kisei, 13th | Promis, Round 1 |
| 60 | Ooki Keiji | 1p ? | Miyazaki Shimako | 1p ? | B+R | 151 | 1988-08-02 | Kisei, 13th | Meidan, Final 1 dan |
| 61 | oonglee [KWN] | 2d* | najonghun [KWN~] | 4p | B+R | 232 | 2001-09-13 | | |
| 62 | oonglee [KWN] | 2d* | najonghun [KWN~] | 4p | W+11 | 250 | 2001-09-24 | | |
| 63 | OooO [IGS] | 4d* | TKono [IGS] | 6p | W+Time | 74 | 2000-09-10 | | |
| 64 | oosenchi [IGS] | 3 dan | Kanno [IGS] | 6p | B+R | 146 | 2008-05-03 | Internet Go Server game: Kanno vs oosenchi | |
| 65 | tajo1 [NST~] | 2p | opansamseung [NST~] | 1 dan | W+R | 215 | 2001-01-16 | | |
| 66 | openart [KWN] | 1k* | jangsuyeong [KWN~] | 9p | W+35.5 | 254 | 2000-11-12 | | |
| 67 | Cornel* [IGS] | 6 dan | orange* [IGS] | 9d | W+R | 165 | 2005-03-16 | | |
| 68 | ORie [IGS] | 2k* | Okada [IGS] | 7p | W+4.5 | 246 | 2001-09-12 | | |
| 69 | leesh114 [KWN] | 4 dan | oriendr [KWN] | 5p | W+R | 61 | 2000-03-23 | | |
| 70 | oriental [DSHN~] | 1k* | gim'ilhwan [DSHN~] | 9p | B+7 | 217 | 2000-12-11 | | |
| 71 | Orii Kangoro | 3p | Honinbo Satsugen | 9p | B+11 | 141 | 1769-01-01 | Four game series at 3 stones | |
| 72 | Orii Kangoro | 3p | Mizutani Takugen | 3p | B+R | 119 | 1769-01-01 | | |
| 73 | ORissei [DSHN] | 9p | Yamasita [DSHN] | 7p* | W+2.5 | 347 | 2003-03-13 | | |
| 74 | beihai [~] | 9p | ORO | 9p | B+R | 205 | 2017-02-25 | | |
| 75 | ORO | 9p | beihai [~] | 9p | B+R | 153 | 2017-02-25 | | |
| 76 | beihai [~] | 9p | ORO | 9p | W+R | 251 | 2017-02-26 | | |
| 77 | uhan [~] | 9p | ORO | 9p | W+R | 115 | 2017-01-07 | | |
| 78 | orogildeu [DSHN~] | 7d* | coemun'yong [DSHN~] | 3p* | W+3 | 280 | 2002-09-27 | | |
| 79 | orogildeu [DSHN~] | 7d* | coemun'yong [DSHN~] | 3p* | B+R | 213 | 2002-10-04 | | |
| 80 | orogildeu [DSHN~] | 7d* | gimdong'yeob [DSHN~] | 7p* | W+R | 120 | 2002-11-02 | | |
| 81 | orogildeu [DSHN~] | 5d* | ilsongjeong [DSHN~] | 9p | W+R | 224 | 2001-01-17 | | |
| 82 | orohyeon'in [DSHN~] | 4 dan | gim'ilhwan [DSHN~] | 9p | W+T | 138 | 2000-10-22 | | |
| 83 | Osaka1* [IGS] | 7 dan | You* [IGS] | 9d | W+R | 121 | 2005-03-11 | | |
| 84 | Osawa Kenro | 1p ? | Kobayashi Koichi | 9p | W+R | 270 | 2007-12-03 | Japanese Yugen Cup, 1st | |
| 85 | Mannami Nao | 1p ? | Osawa Kenro | 1p ? | B+R | 137 | 2007-10-18 | Shinjin-O, 33rd | Preliminaries |
| 86 | Mukai Chiaki | | Osawa Kenro | 1p ? | W+3.5 | 309 | 2007-12-10 | Japanese Yugen Cup, 1st | |
| 87 | 石井茜 | 2p | Osawa Narumi | 4p | W+R | 168 | 2012-09-20 | | |
| 88 | Osawa Narumi | 4p | 下坂美织 | 2p | B+R | 149 | 2012-09-27 | | |
| 89 | 小林 泉美 | 6p | Osawa Narumi | 4p | W+1.5 | 304 | 2015-05-14 | | |
| 90 | 奥田彩 | 3p | Osawa Narumi | 4p | B+11.5 | 228 | 2012-11-22 | | |
| 91 | Osawa Narumi | 4p | 奥田彩 | 3p | B+R | 189 | 2015-12-24 | | |
| 92 | Osawa Narumi | 4p | 张正平 | 2p | W+2.5 | 236 | 2010-11-25 | | |
| 93 | Osawa Narumi | 4p | 井泽秋乃 | 4p | B+0.5 | 247 | 2016-12-19 | | |
| 94 | 卷幡多荣子 | 3p | Osawa Narumi | 4p | B+3.5 | 298 | 2011-11-17 | | |
| 95 | Osawa Narumi | 4p | 牛荣子 | 1p ? | B+R | 245 | 2016-04-18 | | |
| 96 | Osawa Narumi | 3p | Aoba Kaori | 4p | W+R | 182 | 2006-03-16 | Women's Meijin, 19th | Preliminaries |
| 97 | Osawa Narumi | 2p | Aoki Kikuyo | 8p | W+3.5 | 284 | 2000-08-18 | Women's Kakusei, 22nd | Final |
| 98 | Aoki Kikuyo | 8p | Osawa Narumi | 5p ? | B+R | 223 | 2003-11-14 | Women's Kisei (Dokomo Cup), 07th | Quaterfinal - 1 |
| 99 | Aoki Kikuyo | 8p | Osawa Narumi | 3p | W+R | 264 | 2007-06-21 | Women's Honinbo, 26th | Round 2 |
| 100 | Osawa Narumi | 3p | Aoki Kikuyo | 8p | W+10.5 | 268 | 2008-06-12 | Women's Honinbo, 27th | Round 2 |