| event | round | table | player one | result | player two |
| Grand Prix Nagoya 2004 | 5 | 40 | Nakamura, Shuhei (1842) | Won 2-0 | Hamamoto, Kenji (1645) |
| Grand Prix Niigata 2005 | 6 | 10 | Nakamura, Shuhei (2002) | Lost 1-2 | Hamamoto, Kenji (1671) |
| Grand Prix Kobe 2009 | 8 | 11 | Nakamura, Shuhei (2072) | Lost 0-2 | Hamamoto, Kenji (1679) |