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