| # | date | event | round | opponent (color) | result | #mv | sgf |
|---|---|---|---|---|---|---|---|
| 1 | 1969-03-12 | 18th Oza | 1st Preliminary | Takeuchi Kiyotaka (B) | W+R | 160 | sgf |
| 2 | 1972-10-25 | 21st Oza | Preliminaries | Iwamoto Kaoru (B) | B+R | 175 | sgf |
| 3 | 1976 | 24th Oza | Preliminaries | Hiroe Katsuhiko (?) | |||
| 4 | 1976-05-27 | 24th Oza | Round 1 | Fujisawa Hosai (B) | W+4.5 | 230 | sgf |
| 5 | 1976-08-19 | 24th Oza | Round 2 | Takemiya Masaki (B) | W+R | 184 | sgf |
| 6 | 1976-10-07 | 24th Oza | Round 3 | Rin Kaiho (W) | B+R | 135 | sgf |
| 7 | 1976-11-04 | 24th Oza | Challengers' Final | Kato Masao (W) | B+R | 211 | sgf |
| 8 | 1976-11-18 | 24th Oza Title | Game 1 | Otake Hideo (W) | B+R | 215 | sgf |
| 9 | 1976-11-25 | 24th Oza Title | Game 2 | Otake Hideo (B) | B+R | 191 | sgf |
| 10 | 1976-12-09 | 24th Oza Title | Game 3 | Otake Hideo (W) | B+4.5 | 248 | sgf |
| 11 | 1977-11-09 | 25th Oza Title | Game 1 | Kudo Norio (W) | W+1.5 | 239 | sgf |
| 12 | 1977-11-16 | 25th Oza Title | Game 2 | Kudo Norio (B) | B+4.5 | 259 | sgf |
| 13 | 1978-06-29 | 26th Oza | Round 1 | Takemiya Masaki (B) | B+R | 213 | sgf |
| 14 | 1979 | 27th Oza | Preliminaries | Otake Hideo (?) | ? | ||
| 15 | 1981-05-11 | 29th Oza | 3rd Preliminary | O Rissei (B) | B+2.5 | 293 | sgf |
| 16 | 1982-07-05 | 30th Oza | Round 1 | Ishida Akira (W) | W+2.5 | 248 | sgf |
| 17 | 1983-05-05 | 31st Oza | Round 1 | Ishida Yoshio (W) | B+6.5 | 247 | sgf |
| 18 | 1983-06-16 | 31st Oza | Round 2 | Ishida Akira (W) | B+2.5 | 255 | sgf |
| 19 | 1983-09-12 | 31st Oza | Round 3 | Rin Kaiho (B) | B+R | 209 | sgf |
| 20 | 1984-05-03 | 32nd Oza | Round 1 | Ohira Shuzo (W) | B+R | 123 | sgf |
| 21 | 1984-05-31 | 32nd Oza | Round 2 | Sanno Hirotaka (B) | W+4.5 | 255 | sgf |
| 22 | 1984-07-26 | 32nd Oza | Round 3 | Takemiya Masaki (B) | W+R | 150 | sgf |
| 23 | 1984-08-30 | 32nd Oza | Challengers' Final | Yamashiro Hiroshi (B) | B+6.5 | 257 | sgf |
| 24 | 1985-03-07 | 33rd Oza | Round 1 | Takagi Shoichi (B) | W+R | 192 | sgf |
| 25 | 1985-07-18 | 33rd Oza | Round 2 | Takemiya Masaki (B) | B+3.5 | 220 | sgf |
| 26 | 1986-05-29 | 34th Oza | Round 1 | O Rissei (B) | W+3.5 | 281 | sgf |
| 27 | 1986-07-10 | 34th Oza | Round 2 | Rin Kaiho (W) | W+R | 158 | sgf |
| 28 | 1987-05-21 | 35th Oza | Round 1 | Yamashiro Hiroshi (B) | W+1.5 | 239 | sgf |
| 29 | 1987-06-11 | 35th Oza | Round 2 | Takemiya Masaki (W) | B+R | 117 | sgf |
| 30 | 1987-07-23 | 35th Oza | Round 3 | O Rissei (W) | B+R | 169 | sgf |
| 31 | 1987-08-27 | 35th Oza | Challengers' Final | Rin Kaiho (W) | B+R | 181 | sgf |
| 32 | 1987-09-10 | 35th Oza Title | Game 1 | Kato Masao (B) | B+R | 153 | sgf |
| 33 | 1987-09-25 | 35th Oza Title | Game 2 | Kato Masao (W) | W+R | 134 | sgf |
| 34 | 1987-10-15 | 35th Oza Title | Game 3 | Kato Masao (B) | W+R | 140 | sgf |
| 35 | 1987-11-04 | 35th Oza Title | Game 4 | Kato Masao (W) | W+R | 166 | sgf |
| 36 | 1988-03-31 | 36th Oza | Round 1 | Kobayashi Satoru (B) | B+R | 101 | sgf |
| 37 | 1989-07-13 | 37th Oza | Round 1 | Otake Hideo (B) | W+R | 136 | sgf |
| 38 | 1989-08-17 | 37th Oza | Round 2 | Honda Kunihisa (B) | W+R | 94 | sgf |
| 39 | 1989-09-14 | 37th Oza | Round 3 | Hane Yasumasa (B) | B+R | 295 | sgf |
| 40 | 1990-05-03 | 38th Oza | Round 1 | Ohira Shuzo (B) | B+R | 171 | sgf |
| 41 | 1991-05-02 | 39th Oza | Round 1 | Tono Hiroaki (B) | W+13.5 | 257 | sgf |
| 42 | 1991-08-01 | 39th Oza | Round 2 | Hashimoto Shoji (W) | W+1.5 | 236 | sgf |
| 43 | 1992-05-21 | 40th Oza | Round 1 | Otake Hideo (W) | B+3.5 | 287 | sgf |
| 44 | 1992-08-13 | 40th Oza | Round 2 | Hashimoto Shoji (B) | B+R | 201 | sgf |
| 45 | 1993-03-18 | 41st Oza | Round 1 | Ishida Yoshio (W) | B+R | 137 | sgf |
| 46 | 1993-07-08 | 41st Oza | Round 2 | O Rissei (W) | B+R | 237 | sgf |
| 47 | 1993-08-26 | 41st Oza | Round 3 | Kato Masao (B) | B+1.5 | 246 | sgf |
| 48 | 1994-04-21 | 42nd Oza | Round 1 | Hashimoto Shoji (W) | B+2.5 | 221 | sgf |
| 49 | 1994-06-23 | 42nd Oza | Round 2 | Takemiya Masaki (W) | B+1.5 | 256 | sgf |
| 50 | 1994-09-01 | 42nd Oza | Round 3 | Rin Kaiho (W) | B+10.5 | 223 | sgf |
| 51 | 1994-09-15 | 42nd Oza | Challengers' Final | Yoda Norimoto (W) | B+R | 195 | sgf |
| 52 | 1994-10-21 | 42nd Oza Title | Game 1 | Kato Masao (W) | B+R | 145 | sgf |
| 53 | 1994-11-02 | 42nd Oza Title | Game 2 | Kato Masao (B) | B+R | 199 | sgf |
| 54 | 1994-11-17 | 42nd Oza Title | Game 3 | Kato Masao (W) | W+R | 216 | sgf |
| 55 | 1994-11-24 | 42nd Oza Title | Game 4 | Kato Masao (B) | W+4.5 | 244 | sgf |
| 56 | 1994-12-08 | 42nd Oza Title | Game 5 | Kato Masao (W) | B+R | 197 | sgf |
| 57 | 1995-10-19 | 43rd Oza Title | Game 1 | O Rissei (W) | W+0.5 | 257 | sgf |
| 58 | 1995-11-01 | 43rd Oza Title | Game 2 | O Rissei (B) | B+R | 141 | sgf |
| 59 | 1995-11-16 | 43rd Oza Title | Game 3 | O Rissei (W) | W+R | 118 | sgf |
| 60 | 1996-06-14 | 44th Oza | Round 1 | Otake Hideo (W) | W+R | 160 | sgf |
| 61 | 1997-03-27 | 45th Oza | Round 1 | O Meien (B) | B+R | 75 | sgf |
| 62 | 1998-04-09 | 46th Oza | Round 1 | Michael Redmond (W) | W+R | 164 | sgf |
| 63 | 1999-04-15 | 47th Oza | Round 1 | Awaji Shuzo (B) | W+R | 118 | sgf |
| 64 | 1999-05-20 | 47th Oza | Round 2 | So Yokoku (W) | B+R | 175 | sgf |
| 65 | 1999-07-29 | 47th Oza | Round 3 | Rin Kaiho (W) | B+4.5 | 219 | sgf |
| 66 | 1999-08-26 | 47th Oza | Challengers' Final | Kato Masao (W) | B+R | 147 | sgf |
| 67 | 1999-10-25 | 47th Oza Title | Game 1 | O Rissei (W) | B+4.5 | 281 | sgf |
| 68 | 1999-11-18 | 47th Oza Title | Game 2 | O Rissei (B) | B+R | 161 | sgf |
| 69 | 1999-12-02 | 47th Oza Title | Game 3 | O Rissei (W) | W+R | 186 | sgf |
| 70 | 1999-12-09 | 47th Oza Title | Game 4 | O Rissei (B) | B+R | 123 | sgf |
| 71 | 2000-03-30 | 48th Oza | Round 1 | Kono Takashi (W) | B+R | 195 | sgf |
| 72 | 2000-06-08 | 48th Oza | Round 2 | Hikosaka Naoto (B) | W+0.5 | 244 | sgf |
| 73 | 2000-06-29 | 48th Oza | Round 3 | Kato Masao (W) | B+4.5 | 272 | sgf |
| 74 | 2000-08-24 | 48th Oza | Challengers' Final | Yoda Norimoto (W) | B+R | 187 | sgf |
| 75 | 2000-10-23 | 48th Oza Title | Game 1 | O Rissei (B) | W+R | 174 | sgf |
| 76 | 2000-11-22 | 48th Oza Title | Game 2 | O Rissei (W) | W+0.5 | 281 | sgf |
| 77 | 2000-11-30 | 48th Oza Title | Game 3 | O Rissei (B) | B+6.5 | 259 | sgf |
| 78 | 2000-12-14 | 48th Oza Title | Game 4 | O Rissei (W) | W+R | 208 | sgf |
| 79 | 2001-04-26 | 49th Oza | Round 1 | Yamashiro Hiroshi (W) | B+R | 153 | sgf |
| 80 | 2001-05-24 | 49th Oza | Round 2 | Komatsu Hideki (W) | B+R | 235 | sgf |
| 81 | 2001-07-05 | 49th Oza | Round 3 | Yoda Norimoto (W) | B+R | 145 | sgf |
| 82 | 2001-08-23 | 49th Oza | Challengers' Final | Kato Atsushi (B) | W+5.5 | 208 | sgf |
| 83 | 2001-10-19 | 49th Oza Title | Game 1 | O Rissei (W) | B+R | 159 | sgf |
| 84 | 2001-11-01 | 49th Oza Title | Game 2 | O Rissei (B) | W+7.5 | 284 | sgf |
| 85 | 2001-11-14 | 49th Oza Title | Game 3 | O Rissei (W) | B+R | 147 | sgf |
| 86 | 2002-10-10 | 50th Oza Title | Game 1 | O Meien (B) | W+R | 228 | sgf |
| 87 | 2002-10-31 | 50th Oza Title | Game 2 | O Meien (W) | W+T | 144 | sgf |
| 88 | 2002-11-21 | 50th Oza Title | Game 3 | O Meien (B) | B+0.5 | 276 | sgf |
| 89 | 2002-11-28 | 50th Oza Title | Game 4 | O Meien (W) | B+R | 181 | sgf |
| 90 | 2002-12-12 | 50th Oza Title | Game 5 | O Meien (W) | W+R | 174 | sgf |
| 91 | 2003-04-24 | 51st Oza | Round 1 | Kudo Norio (W) | B+3.5 | 213 | sgf |
| 92 | 2003-06-26 | 51st Oza | Round 2 | Yamashiro Hiroshi (B) | B+2.5 | 294 | sgf |
| 93 | 2003-12-25 | 52nd Oza | Last Preliminary, Final | Kato Atsushi (B) | B+1.5 | ||
| 94 | 2004-10-21 | 53rd Oza | Preliminary A1 | Mitani Tetsuya (?) | |||
| 95 | 2004-11-04 | 53rd Oza | Preliminary A2 | Tahara Yasufumi (?) | |||
| 96 | 2005-02-17 | 53rd Oza | Last Preliminary, Final | Ogaki Yusaku (B) | W+R | 162 | sgf |
| 97 | 2005-05-19 | 53rd Oza | Round 1 | Kataoka Satoshi (W) | W+4.5 | 200 | sgf |
| 98 | 2005-12-01 | 54th Oza | Last Preliminary, Round 1 | Kobayashi Satoru (B) | B+8.5 | 209 | sgf |
| 99 | 2007-05-10 | 55th Oza | Round 1 | So Yokoku (W) | W+R | 224 | sgf |
| 100 | 2008-04-24 | 56th Oza | Round 1 | Yuki Satoshi (W) | W+R | 76 | sgf |
| 101 | 2009-05-14 | 57th Oza | Round 1 | Yamada Kimio (B) | B+0.5 | 292 | sgf |
| 102 | 2010-02-11 | 58th Oza | Last Preliminary | So Yokoku (W) | B+R | 249 | sgf |
| 103 | 2010-03-11 | 58th Oza | Last Preliminary, Final | Kiyonari Tetsuya (W) | W+R | 206 | sgf |
| 104 | 2010-11-11 | 59th Oza | Preliminary A1 | Nakaonoda Tomomi (W) | B+R | 167 | sgf |
| 105 | 2010-12-23 | 59th Oza | Preliminary A2 | Rin Kanketsu (W) | B+R | 189 | sgf |
| 106 | 2011-02-03 | 59th Oza | Last Preliminary | Nakamura Shinya (B) | W+R | 160 | sgf |
| 107 | 2011-02-24 | 59th Oza | Last Preliminary, Final | Sakai Takeshi (W) | B+R | 127 | sgf |
| 108 | 2011-05-19 | 59th Oza | Round 1 | Yoda Norimoto (B) | W+R | 190 | sgf |
| 109 | 2011-05-30 | 59th Oza | Round 2 | Hane Naoki (W) | W+R | 178 | sgf |
| 110 | 2012-01-19 | 60th Oza | Last Preliminary | Imamura Yoshiaki (W) | B+4.5 | 169 | sgf |
| 111 | 2012-02-23 | 60th Oza | Last Preliminary, Final | Anzai Nobuaki (B) | W+R | 164 | sgf |
| 112 | 2012-05-10 | 60th Oza | Round 1 | Yuki Satoshi (W) | W+R | 206 | sgf |
| 113 | 2013-05-09 | 61st Oza | Last Preliminary, Final | Seto Taiki (B) | B+8.5 | 221 | sgf |
| 114 | 2013-12-19 | 62nd Oza | Preliminary A1 | Ryu Shikun (W) | B+R | 215 | sgf |
| 115 | 2014-01-16 | 62nd Oza | Preliminary A2 | Rin Kanketsu (B) | B+R | 113 | sgf |
| 116 | 2015-01-15 | 63rd Oza | Preliminary A1 | Sato Masaharu (B) | W+R | 214 | sgf |
| 117 | 2015-02-05 | 63rd Oza | Preliminary A2 | Rin Shien (B) | W+6.5 | 260 | sgf |
| 118 | 2015-03-12 | 63rd Oza | Last Preliminary, Round 1 | Mizokami Tomochika (W) | W+1.5 | 253 | sgf |
| 119 | 2015-10-29 | 64th Oza | Preliminary A1 | Ishikura Noboru (B) | W+4.5 | 264 | sgf |
| 120 | 2015-11-12 | 64th Oza | Preliminary A2 | Morita Michihiro (B) | W+R | 122 | sgf |
| 121 | 2016-03-03 | 64th Oza | Last Preliminary | Goto Shungo (B) | W+2.5 | 251 | sgf |
| 122 | 2016-05-05 | 64th Oza | Last Preliminary, Final | Kono Rin (B) | B+5.5 | 334 | sgf |
| 123 | 2016-10-20 | 65th Oza | Preliminary A1 | Yamashiro Hiroshi (W) | W+R | 188 | sgf |
| 124 | 2017-08-10 | 66th Oza | Preliminary B3 | Sakai Maki (B) | W+3.5 | 313 | sgf |
| 125 | 2017-12-21 | 66th Oza | Preliminary A2 | Cho Sonjin (B) | B+R | 145 | sgf |