| event | round | table | player one | result | player two |
| Pro Tour New Orleans 2003 | 15 | 8 | Oiso, Masashi (1926) | Won 2-1 | Walls, Gabe (1846) |
| Grand Prix Hong Kong 2004 | 7 | 3 | Oiso, Masashi (1899) | Won 2-1 | Walls, Gabe (1963) |
| Grand Prix Hong Kong 2004 | 14 | 1 | Oiso, Masashi (1971) | ID | Walls, Gabe (1994) |
| Grand Prix Boston 2005 | 14 | 7 | Oiso, Masashi (2024) | Won 2-1 | Walls, Gabe (1826) |
| Pro Tour Honolulu 2006 | 13 | 21 | Oiso, Masashi (2047) | Lost 0-2 | Walls, Gabe (1896) |