| # | 
Black player  | 
Rank  | 
White player  | 
Rank  | 
Result  | 
# moves  | 
Date  | 
Event  | 
Round  | 
 
| 1 | Kono Masao | 4p | Hans Pietch | 4p | W+R | 184 | 2002-07-03 | Honinbo, 58th | 1 |  | 2 | Hans Pietch | 4p | Katsura Atsushi | 3p | B+R | 185 | 2002-08-01 | Honinbo, 58th | 2 |  | 3 | Ueda Takashi | 2p | Hans Pietch | 4p | W+9.5 | 184 | 2002-09-18 | Honinbo, 58th | 3 |  | 4 | Hans Pietch | 4p | Takekiyo Isumu | 2p | W+7.5 | 194 | 2002-10-16 | Honinbo, 58th | 4 |  | 5 | Cho U | 7p | O Meien | 9p | B+5.5 | 311 | 2003-04-07 | Honinbo, 58th | Challengers' playoff |  | 6 | Cho U | 7p | Ryu Shikun | 7p | B+R | 161 | 2002-10-03 | Honinbo, 58th | League, game 01 |  | 7 | Rin Kaiho | 9p | Cho Chikun | 9p | W+1.5 | 233 | 2002-10-07 | Honinbo, 58th | League, game 02 |  | 8 | Cho Sonjin | 9p | Yamashita Keigo | 7p | B+R | 183 | 2002-10-17 | Honinbo, 58th | League, game 03 |  | 9 | Kobayashi Koichi | 9p | O Meien | 9p | W+6.5 | 256 | 2002-10-17 | Honinbo, 58th | League, game 04 |  | 10 | O Meien | 9p | Yamashita Keigo | 7p | B+0.5 | 319 | 2002-11-07 | Honinbo, 58th | League, game 05 |  | 11 | Kobayashi Koichi | 9p | Cho Sonjin | 9p | B+3.5 | 278 | 2002-11-14 | Honinbo, 58th | League, game 06 |  | 12 | Rin Kaiho | 9p | Cho U | 7p | W+R | 186 | 2002-11-21 | Honinbo, 58th | League, game 07 |  | 13 | Cho Chikun | 9p | Ryu Shikun | 7p | W+R | 144 | 2002-11-25 | Honinbo, 58th | League, game 08 |  | 14 | Cho Chikun | 9p | Cho U | 7p | W+R | 98 | 2002-12-02 | Honinbo, 58th | League, game 09 |  | 15 | Kobayashi Koichi | 9p | Yamashita Keigo | 7p | W+4.5 | 210 | 2002-12-05 | Honinbo, 58th | League, game 10 |  | 16 | Rin Kaiho | 9p | Ryu Shikun | 7p | B+R | 127 | 2002-12-12 | Honinbo, 58th | League, game 11 |  | 17 | Cho Sonjin | 9p | O Meien | 9p | W+R | 206 | 2002-12-26 | Honinbo, 58th | League, game 12 |  | 18 | Ryu Shikun | 7p | O Meien | 9p | W+4.5 | 271 | 2003-01-09 | Honinbo, 58th | League, game 13 |  | 19 | Cho Sonjin | 9p | Rin Kaiho | 9p | W+R | 154 | 2003-01-16 | Honinbo, 58th | League, game 14 |  | 20 | Cho U | 7p | Kobayashi Koichi | 9p | B+11.5 | 238 | 2003-01-23 | Honinbo, 58th | League, game 15 |  | 21 | Yamashita Keigo | 7p | Cho Chikun | 9p | B+R | 103 | 2003-01-23 | Honinbo, 58th | League, game 16 |  | 22 | O Meien | 9p | Cho U | 7p | W+R | 138 | 2003-02-06 | Honinbo, 58th | League, game 17 |  | 23 | Cho Sonjin | 9p | Cho Chikun | 9p | B+R | 169 | 2003-02-13 | Honinbo, 58th | League, game 18 |  | 24 | Yamashita Keigo | 7p | Rin Kaiho | 9p | B+0.5 | 270 | 2003-02-13 | Honinbo, 58th | League, game 19 |  | 25 | Ryu Shikun | 7p | Kobayashi Koichi | 9p | W+R | 232 | 2003-02-27 | Honinbo, 58th | League, game 20 |  | 26 | O Meien | 9p | Cho Chikun | 9p | B+R | 149 | 2003-03-06 | Honinbo, 58th | League, game 21 |  | 27 | Cho U | 7p | Cho Sonjin | 9p | B+4,5 | 322 | 2003-03-06 | Honinbo, 58th | League, game 22 |  | 28 | Kobayashi Koichi | 9p | Rin Kaiho | 9p | B+R | 193 | 2003-03-13 | Honinbo, 58th | League, game 23 |  | 29 | Ryu Shikun | 7p | Yamashita Keigo | 9p | W+R | 226 | 2003-03-20 | Honinbo, 58th | League, game 24 |  | 30 | Yamashita Keigo | 9p | Cho U | 7p | B+R | 111 | 2003-04-03 | Honinbo, 58th | League, game 25 |  | 31 | O Meien | 9p | Rin Kaiho | 9p | B+R | 203 | 2003-04-03 | Honinbo, 58th | League, game 26 |  | 32 | Cho Chikun | 9p | Kobayashi Koichi | 9p | B+5.5 | 291 | 2003-04-03 | Honinbo, 58th | League, game 27 |  | 33 | Ryu Shikun | 7p | Cho Sonjin | 9p | B+5.5 | 266 | 2003-04-03 | Honinbo, 58th | League, game 28 |  | 34 | Kato Masao | 9p | Cho U | 8p | B+R | 183 | 2003-05-15 | Honinbo, 58th | Title match, game 1 |  | 35 | Cho U [IGS] | 8p | Kato Masao [IGS] | 9p | B+R | 205 | 2003-05-27 | Honinbo, 58th | Title match, game 2 |  | 36 | Kato Masao | 9p | Cho U | 8p | B+R | 203 | 2003-06-02 | Honinbo, 58th | Title match, game 3 |  | 37 | Cho U [IGS] | 8p | Kato Masao [IGS] | 9p | B+R | 223 | 2003-06-16 | Honinbo, 58th | Title match, game 4 |  | 38 | Kato Masao | 9p | Cho U | 8p | W+5.5 | 260 | 2003-06-25 | Honinbo, 58th | Title match, game 5 |  | 39 | Cho U | 8p | Kato Masao | 9p | B+9.5 | 335 | 2003-07-10 | Honinbo, 58th | Title match, game 6 |  
 
 |