| event | round | table | player one | result | player two |
| Grand Prix Kyoto 2003 | 1 | 188 | Ishii, Hayato (1503) | Won 2-1 | Okuda, Masateru (1520) |
| Grand Prix Yokohama 2003 | 10 | 86 | Ishii, Hayato (1601) | Lost 0-2 | Okuda, Masateru (1589) |
| Grand Prix Yokohama 2012 | 1 | 319 | Ishii, Hayato (1780) | Won 2-0 | Okuda, Masateru (1512) |