| event | round | table | player one | result | player two |
| Grand Prix Hiroshima 2001 | 4 | 1 | Okada, Kou (1461) | Won 2-0 | Nose, Koji (1489) |
| Grand Prix Kyoto 2003 | 4 | 158 | Okada, Kou (1602) | Lost 0-2 | Nose, Koji (1536) |
| Grand Prix Yokohama 2004 | 6 | 63 | Okada, Kou (1714) | Lost 0-2 | Nose, Koji (1761) |