Games Between Two Players
O Rissei (3 win; 0 loss) vs. Yokotsuka Riki
| Game Date and Game Description | |||||
| Black | White | Result | Replay | Download | |
 [2025-07-31] 64th Japanese Judan, preliminary A
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| Yokotsuka Riki 7p | O Rissei 9p | W+0.5 |  |
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| [2017-08-31] 44th Japanese Tengen, preliminary
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| O Rissei 9p | Yokotsuka Riki 2p | B+2.5 | |
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| [2017-03-23] 73rd Japanese Honinbo, preliminary
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| O Rissei 9p | Yokotsuka Riki 2p | B+7.5 | |
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