Games Between Two Players
Sonoda Yuichi (3 win; 2 loss) vs. O Rissei
| Game Date and Game Description | |||||
| Black | White | Result | Replay | Download | |
 [2023-02-09] 2nd Japanese Teikei Cup Legend Tournament, round 3
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| Sonoda Yuichi 9p | O Rissei 9p | W+4.5 |  |
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| [2006-04-27] 62nd Japanese Honinbo, preliminary
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| Sonoda Yuichi 9p | O Rissei 9p | B+R | |
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| [1998-05-07] 23rd Japanese Gosei, semi-final
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| Sonoda Yuichi 9p | O Rissei 9p | B+2.5 | |
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| [1992-02-24] 2nd Japanese Ryusei, group stage
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| O Rissei 9p | Sonoda Yuichi 9p | W+R | |
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| [1991-03-04] 1st Japanese Ryusei, group stage
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| O Rissei 9p | Sonoda Yuichi 9p | B+1.5 | |
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