| event | round | table | player one | result | player two |
| Pro Tour Amsterdam 2004 | 3 | 1 | Osawa, Takuya (1609) | Won 2-0 | Ishida, Itaru (1984) |
| Grand Prix Matsuyama 2005 | 13 | 21 | Osawa, Takuya (1758) | Lost 0-2 | Ishida, Itaru (1902) |
| Grand Prix Kuala Lumpur 2006 | 13 | 12 | Osawa, Takuya (2035) | Lost 0-2 | Ishida, Itaru (1890) |