| event | round | table | player one | result | player two |
| 2006 World Championship | 13 | 43 | Tsumura, Kenji (1990) | Won 2-0 | Osawa, Takuya (1934) |
| Pro Tour Geneva 2007 | 8 | 39 | Tsumura, Kenji (2107) | Lost 1-2 | Osawa, Takuya (2020) |
| Pro Tour Geneva 2007 | 13 | 10 | Tsumura, Kenji (2145) | ID | Osawa, Takuya (2056) |