| event | round | table | player one | result | player two |
| Grand Prix Kobe 2001 | 7 | 1 | Hojo, Naomasa (1632) | Lost 0-2 | Nakamura, Shuhei (1654) |
| Grand Prix Hiroshima 2003 | 4 | 10 | Hojo, Naomasa (1649) | Lost 1-2 | Nakamura, Shuhei (1842) |
| Grand Prix Kyoto 2003 | 9 | 12 | Hojo, Naomasa (1735) | Won 2-1 | Nakamura, Shuhei (1862) |