| 1 | Yoo Changhyuk | 3p | Otake Hideo | 9p | W+15 | 313 | 1989-09-04 | IBM Asian Cup, 2nd | Quaterfinal - 2 |
| 2 | | 5p ? | | 5p ? | | 159 | | IBM Cup ? | |
| 3 | Ishida Yoshio | 9p | Cho Hunhyun | 9p | W+0.5 | 280 | 1992-05-19 | IBM Cup, Japan-Korea team match, 1st | |
| 4 | Jang Su-young | 8p | Ishikura Noboru | 8p | B+R | 157 | 1992-05-19 | IBM Cup, Japan-Korea team match, 1st | |
| 5 | Redmond, Michael | 7p | Yang Jae-ho | 7p | W+R | 142 | 1992-05-19 | IBM Cup, Japan-Korea team match, 1st | |
| 6 | Seo Bongsoo | 9p | Otake Hideo | 9p | B+R | 243 | 1993-06-22 | IBM Cup, Korea-Japan Computer Go Match, 2nd | |
| 7 | | 5p | Seo Nung-uk | 8p | W+R | 162 | 1988-06-25 | IBM Lightning Go Championship, 1st | |
| 8 | Lee Changho | 2p | | 6p | B+R | 105 | 1988-06-25 | IBM Lightning Go Championship, 1st | 1 |
| 9 | Seo Nung-uk | 8p | | 7p | B+R | 267 | 1988-06-25 | IBM Lightning Go Championship, 1st | 2 |
| 10 | Komatsu Hideki | 6p | Lee Changho | 2p | B+R | 193 | 1988-06-25 | IBM Lightning Go Championship, 1st | 2 |
| 11 | | 7p | Seo Nung-uk | 8p | W+R | 178 | 1988-07-21 | IBM Lightning Go Championship, 1st | 3 |
| 12 | Takemiya Masaki | 9p | Ishida Yoshio | 9p | W+0.5 | 270 | 1988-04-10 | IBM Lightning Go Championship, 1st | Final |
| 13 | Kataoka Satoshi | 8p | Sugiuchi Kazuko | 8p | B+R | 85 | 1988-07-05 | IBM Lightning Go Championship, 1st | Preliminaries |
| 14 | Aoki Kikuyo | 2p | Fujisawa Kazunari | 3p | W+R | 160 | 1988-06-06 | IBM Lightning Go Championship, 1st | Qualifications - 1 |
| 15 | Kanazawa Morihide | 6 dan? | Izumitani Hideo | 3p | W+R | 172 | 1988-06-06 | IBM Lightning Go Championship, 1st | Qualifications - 2 |
| 16 | Seo Nung-uk | 8p | Ishida Yoshio | 9p | W+11.5 | 275 | 1988-06-21 | IBM Lightning Go Championship, 1st | Quaterfinal - 1 |
| 17 | Ogata Masaki | 7p | O Rissei | 8p | W+R | 254 | 1988-07-18 | IBM Lightning Go Championship, 1st | Quaterfinal - 2 |
| 18 | Takemiya Masaki | 9p | Takagi Shoichi | 9p | B+R | 167 | 1988-08-07 | IBM Lightning Go Championship, 1st | Quaterfinal - 3 |
| 19 | Oyama Kunio | 9p | Hidaka Toshiyuki | 6p | B+R | 81 | 1988-07-18 | IBM Lightning Go Championship, 1st | Quaterfinal - 4 |
| 20 | Takemiya Masaki | 9p | O Rissei | 9p | B+1.5 | 236 | 1988-04-10 | IBM Lightning Go Championship, 1st | Semifinal - 1 |
| 21 | Ishida Yoshio | 9p | Oyama Kunio | 9p | B+R | 205 | 1988-04-10 | IBM Lightning Go Championship, 1st | Semifinal - 2 |
| 22 | Tozawa Akinobu | 9p | Cho Chikun | 9p | B+0.5 | 252 | 1989-07-29 | IBM Lightning Go Championship, 2nd | 1-01 |
| 23 | Rin Kaiho | 9p | Kanda Ei | 7p | W+0.5 | 239 | 1989-07-29 | IBM Lightning Go Championship, 2nd | 1-01 |
| 24 | Qian Yuping | 9p | Yoo Changhyuk | 3p | W+0.5 | 314 | 1989-07-28 | IBM Lightning Go Championship, 2nd | 2-6 |
| 25 | Cho Sonjin | 5p | Yamashiro Hiroshi | 9p | B+Time | 243 | 1989-09-04 | IBM Lightning Go Championship, 2nd | 3(16)-2 |
| 26 | Kobayashi Satoru | 9p | Takagi Shoichi | 9p | B+R | 199 | 1989-09-04 | IBM Lightning Go Championship, 2nd | 3-1 |
| 27 | Ishida Yoshio | 9p | Otake Hideo | 9p | W+2 | 219 | 1989-10-07 | IBM Lightning Go Championship, 2nd | Final |
| 28 | Yoda Norimoto | 7p | Hikosaka Naoto | 8p | W+R | 174 | 1989-10-07 | IBM Lightning Go Championship, 2nd | Playoff 3rd-4th |
| 29 | Ishida Yoshio | 9p | Yoda Norimoto | 7p | B+6 | 247 | 1989-10-07 | IBM Lightning Go Championship, 2nd | Semifinal - 1 |
| 30 | Hikosaka Naoto | 8p | Otake Hideo | 9p | W+R | 226 | 1989-10-07 | IBM Lightning Go Championship, 2nd | Semifinal - 2 |
| 31 | Takemiya Masaki | 9p | O Rissei | 9p | W+4 | 275 | 1990-01-01 | IBM Lightning Go Championship, 3rd | |
| 32 | Kim Dong-yeop | 4p | Komatsu Hideki | 7p | W+R | 172 | 1990-06-23 | IBM Lightning Go Championship, 3rd | |
| 33 | Ishida Yoshio | 9p | Hane Yasumasa | 9p | B+R | 179 | 1990-07-16 | IBM Lightning Go Championship, 3rd | |
| 34 | Sanno Hirotaka | 9p | Cho Chikun | 9p | W+R | 174 | 1990-06-23 | IBM Lightning Go Championship, 3rd | 1 |
| 35 | Ma Xiaochun | 9p | Hashimoto Shoji | 9p | B+R | 161 | 1990-06-23 | IBM Lightning Go Championship, 3rd | 1 |
| 36 | Rin Kaiho | 9p | Nie Weiping | 9p | B+17 | 284 | 1990-07-23 | IBM Lightning Go Championship, 3rd | 3 |
| 37 | Kobayashi Satoru | 9p | Ohira Shuzo | 9p | B+1 | 213 | 1990-09-08 | IBM Lightning Go Championship, 3rd | Final |
| 38 | Ishida Yoshio | 9p | O Rissei | 9p | W+2 | 227 | 1990-09-08 | IBM Lightning Go Championship, 3rd | Playoff 3rd-4th |
| 39 | Rin Kaiho | 9p | O Rissei | 9p | B+0.5 | 346 | 1990-07-16 | IBM Lightning Go Championship, 3rd | Preliminaries |
| 40 | Ohira Shuzo | 9p | Kato Masao | 9p | B+R | 133 | 1990-07-23 | IBM Lightning Go Championship, 3rd | Quaterfinal |
| 41 | Yoda Norimoto | 9p | Cho Chikun | 9p | W+R | 200 | 1990-06-23 | IBM Lightning Go Championship, 3rd | Round 2 |
| 42 | Ma Xiaochun | 9p | Hane Yasumasa | 9p | W+R | 180 | 1990-07-16 | IBM Lightning Go Championship, 3rd | Round 3 |
| 43 | Cho Chikun | 9p | Ishida Yoshio | 9p | W+R | 164 | 1990-07-16 | IBM Lightning Go Championship, 3rd | Round 3 |
| 44 | Otake Hideo | 9p | Kobayashi Satoru | 9p | W+5 | 250 | 1990-07-16 | IBM Lightning Go Championship, 3rd | Round 3 |
| 45 | Ohira Shuzo | 9p | Ishida Yoshio | 9p | B+R | 173 | 1990-09-08 | IBM Lightning Go Championship, 3rd | Semifinal - 1 |
| 46 | Kobayashi Satoru | 9p | O Rissei | 9p | B+R | 195 | 1990-09-08 | IBM Lightning Go Championship, 3rd | Semifinal - 2 |
| 47 | Ishida Yoshio | 9p | Redmond, Michael | 6p | B+4,5 | 193 | 1989-07-29 | IBM lightning Go Tournament, 1989 | 1 |
| 48 | Rin Kaiho | 9p | Cho Hunhyun | 9p | W+7 | 278 | 2002-03-23 | Igo Asian Cup, 1st | |
| 49 | Otake Hideo | 9p | Chang Hao | 9p | W+R | 164 | 2002-03-23 | Igo Asian Cup, 1st | cj3-1 |
| 50 | Yu Bin | 9p | Hane Naoki | 8p | B+3.5 | 285 | 2002-03-23 | Igo Asian Cup, 1st | cj3-2 |
| 51 | Yoda Norimoto | 9p | Ma Xiaochun | 9p | B+R | 191 | 2002-03-23 | Igo Asian Cup, 1st | cj3-3 |
| 52 | Wang Lei | 8p | Honda Kunihisa | 9p | B+R | 189 | 2002-03-23 | Igo Asian Cup, 1st | cj3-4 |
| 53 | Awaji Shuzo | 9p | Shao Weigang | 9p | W+R | 162 | 2002-03-23 | Igo Asian Cup, 1st | cj3-5 |
| 54 | Otake Hideo | 9p | Cho Hunhyun | 9p | W+R | 208 | 2002-03-22 | Igo Asian Cup, 1st | kj1-1 |
| 55 | Lee Changho | 9p | Yoda Norimoto | 9p | B+1.5 | 262 | 2002-03-22 | Igo Asian Cup, 1st | kj1-2 |
| 56 | Honda Kunihisa | 9p | Park Young-hun | 3p | W+1.5 | 266 | 2002-03-22 | Igo Asian Cup, 1st | kj1-3 |
| 57 | Yoo Changhyuk | 9p | Awaji Shuzo | 9p | B+9 | 259 | 2002-03-22 | Igo Asian Cup, 1st | kj1-4 |
| 58 | Hane Naoki | 8p | Lee Sedol | 3p | W+4.5 | 244 | 2002-03-22 | Igo Asian Cup, 1st | kj1-5 |
| 59 | Park Young-hun | 3p | O Meien | 9p | B+R | 209 | 2002-03-23 | Igo Asian Cup, 1st | ktf-2 |
| 60 | Yo Kagen | 9p | Lee Sedol | 3p | W+R | 206 | 2002-03-23 | Igo Asian Cup, 1st | ktf-3 |
| 61 | Yoo Changhyuk | 9p | Zhou Jungsun | 9p | B+R | 165 | 2002-03-23 | Igo Asian Cup, 1st | ktf-4 |
| 62 | Lin Zhihan | 3p | Lee Changho | 9p | W+5.5 | 295 | 2002-03-23 | Igo Asian Cup, 1st | ktf-5 |
| 63 | Rin Kaiho | 9p | Ma Xiaochun | 9p | B+2.5 | 260 | 2002-03-22 | Igo Asian Cup, 1st | tc1-1 |
| 64 | Chang Hao | 9p | O Meien | 9p | W+3.5 | 298 | 2002-03-22 | Igo Asian Cup, 1st | tc1-2 |
| 65 | Yo Kagen | 9p | Yu Bin | 9p | W+R | 222 | 2002-03-22 | Igo Asian Cup, 1st | tc1-3 |
| 66 | Shao Weigang | 9p | Zhou Jungsun | 9p | W+2.5 | 285 | 2002-03-22 | Igo Asian Cup, 1st | tc1-4 |
| 67 | Lin Zhihan | 3p | Wang Lei | 8p | W+R | 196 | 2002-03-22 | Igo Asian Cup, 1st | tc1-5 |
| 68 | Ishida Yoshio | 5p | Kitani Minoru | 9p | B+1 | 247 | 1958-12-14 | Igo Club "Live-in pupil teaching games" series | game 02 |
| 69 | Kanashima Tadashi | 1p ? | Kitani Minoru | 9p | W+R | 239 | 1959-01-22 | Igo Club "Live-in pupil teaching games" series | game 03 |
| 70 | Ishigure Ikuro | 6p | Kitani Minoru | 9p | Jigo | 266 | 1959-02-01 | Igo Club "Live-in pupil teaching games" series | game 04 |
| 71 | Hisajima Kunio | 3pk? | Kitani Minoru | 9p | W+13 | 280 | 1959-03-18 | Igo Club "Live-in pupil teaching games" series | game 05 |
| 72 | Kamimura Kunio | 2p | Kitani Minoru | 9p | W+2 | 244 | 1959-04-16 | Igo Club "Live-in pupil teaching games" series | game 06 |
| 73 | Hamajima Kei | 1p ? | Kitani Minoru | 9p | W+R | 187 | 1959-05-15 | Igo Club "Live-in pupil teaching games" series | game 07 |
| 74 | Kitani Nobuko | 1p ? | Kitani Minoru | 9p | W+8 | 224 | 1959-06-05 | Igo Club "Live-in pupil teaching games" series | game 08 |
| 75 | Haruyama Isamu | 6p | Kitani Minoru | 9p | B+6 | 252 | 1959-07-09 | Igo Club "Live-in pupil teaching games" series | game 09 |
| 76 | Kato Masao | 3pk? | Kitani Minoru | 9p | W+R | 147 | 1959-08-12 | Igo Club "Live-in pupil teaching games" series | game 10 |
| 77 | Sato Masaharu | 1p ? | Kitani Minoru | 9p | W+R | 221 | 1959-08-16 | Igo Club "Live-in pupil teaching games" series | game 11 |
| 78 | Kitani Masamichi | 1p ? | Kitani Minoru | 9p | W+R | 225 | 1959-10-11 | Igo Club "Live-in pupil teaching games" series | game 12 |
| 79 | Takahata Kanji | 1p ? | Kitani Minoru | 9p | W+8 | 266 | 1960-05-24 | Igo Club "Live-in pupil teaching games" series | game 13 |
| 80 | Hisajima Kunio | 3pk? | Kitani Minoru | 9p | B+19 | 270 | 1960-07-07 | Igo Club "Live-in pupil teaching games" series | game 14 |
| 81 | Kobayashi Reiko | 2p | Kitani Minoru | 9p | B+7 | 301 | 1960-07-12 | Igo Club "Live-in pupil teaching games" series | game 15 |
| 82 | Takeuchi Kazuo | 1p ? | Kitani Minoru | 9p | W+5 | 179 | 1960-07-12 | Igo Club "Live-in pupil teaching games" series | game 16 |
| 83 | Otake Hideo | 4p | Kitani Minoru | 9p | B+16 | 276 | 1960-10-12 | Igo Club Live-in Pupil Teaching Games series | Final |
| 84 | Gu Li | 7p | Alexander Dinerstein | 1p ? | B+R | 233 | 2004-12-18 | Igo Internet World Championship, 1st | 1 |
| 85 | Hane Yasumasa | 9p | Kataoka Satoshi | 9p | W+R | 124 | 2011-02-24 | Igo Masters Cup, 1st | 1 |
| 86 | Kudo Norio | 9p | Rin Kaiho | 9p | W+R | 226 | 2011-02-24 | Igo Masters Cup, 1st | 1 |
| 87 | Kobayashi Satoru | 9p | O Rissei | 9p | B+R | 109 | 2011-03-10 | Igo Masters Cup, 1st | 1 |
| 88 | Ishida Yoshio | 9p | Kataoka Satoshi | 9p | B+R | 211 | 2011-03-24 | Igo Masters Cup, 1st | 2 |
| 89 | Rin Kaiho | 9p | Kobayashi Koichi | 9p | W+R | 208 | 2011-03-24 | Igo Masters Cup, 1st | 2 |
| 90 | Cho Chikun | 9p | Takemiya Masaki | 9p | B+6.5 | 155 | 2011-03-31 | Igo Masters Cup, 1st | 2 |
| 91 | Otake Hideo | 9p | Kobayashi Satoru | 9p | W+R | 224 | 2011-04-21 | Igo Masters Cup, 1st | 2 |
| 92 | Kobayashi Koichi | 9p | Cho Chikun | 9p | W+1.5 | 246 | 2011-07-23 | Igo Masters Cup, 1st | Final |
| 93 | Kobayashi Satoru | 9p | Cho Chikun | 9p | W+R | 134 | 2011-06-25 | Igo Masters Cup, 1st | Semifinal |
| 94 | Ishida Yoshio | 9p | Kobayashi Koichi | 9p | W+4.5 | 277 | 2011-06-25 | Igo Masters Cup, 1st | Semifinal |
| 95 | Kudo Norio | 9p | Kamimura Haruo | 9p | B+R | 183 | 2012-03-08 | Igo Masters Cup, 2nd | 1 |
| 96 | Miyazawa Goro | 9p | Otake Hideo | 9p | W+R | 116 | 2012-03-08 | Igo Masters Cup, 2nd | 1 |
| 97 | O Rissei | 9p | Kobayashi Koichi | 9p | W+0.5 | 252 | 2012-03-15 | Igo Masters Cup, 2nd | 1 |
| 98 | Rin Kaiho | 9p | Kobayashi Satoru | 9p | B+1.5 | 262 | 2012-03-22 | Igo Masters Cup, 2nd | 1 |
| 99 | Takemiya Masaki | 9p | Kataoka Satoshi | 9p | W+8.5 | 197 | 2012-03-29 | Igo Masters Cup, 2nd | 1 |
| 100 | Yamashiro Hiroshi | 9p | Cho Chikun | Masters Cup | W+0.5 | 254 | 2012-04-05 | Igo Masters Cup, 2nd | 1 |
