| event | round | table | player one | result | player two |
| Grand Prix Kobe 2001 | 6 | 110 | Hayashi, Hiroki (1535) | Draw 1-1 | Shimizu, Akihiro (1450) |
| Grand Prix Yokohama 2004 | 8 | 37 | Hayashi, Hiroki (1730) | Won 2-0 | Shimizu, Akihiro (1647) |
| Grand Prix Niigata 2005 | 6 | 27 | Hayashi, Hiroki (1698) | Lost 0-2 | Shimizu, Akihiro (1564) |