| event | round | table | player one | result | player two |
| Grand Prix Niigata 2005 | 13 | 18 | Tsumura, Kenji (1901) | Won 2-0 | Ikeda, Tsuyoshi (1834) |
| Pro Tour Valencia 2007 | 9 | 56 | Tsumura, Kenji (2014) | Lost 1-2 | Ikeda, Tsuyoshi (1826) |
| 2008 World Championship | 15 | 2 | Tsumura, Kenji (2001) | Lost 1-2 | Ikeda, Tsuyoshi (1945) |