event | round | table | player one | result | player two |
Pro Tour Yokohama 2003 | S | Ikeda, Tsuyoshi (1906) | Lost 0-3 | Oiso, Masashi (1968) | |
2006 World Championship | 11 | 133 | Ikeda, Tsuyoshi (1905) | Lost 0-2 | Oiso, Masashi (1849) |
2008 World Championship | 9 | 11 | Ikeda, Tsuyoshi (1907) | Won 2-1 | Oiso, Masashi (1886) |
2008 World Championship | 11 | 55 | Ikeda, Tsuyoshi (1937) | Lost 0-2 | Oiso, Masashi (1887) |