event | round | table | player one | result | player two |
Grand Prix Okayama 2004 | 8 | 17 | Nakamura, Shuhei (1868) | Lost 0-2 | Okamoto, Jin (1884) |
Grand Prix Yokohama 2004 | 8 | 46 | Nakamura, Shuhei (2018) | Lost 1-2 | Okamoto, Jin (1893) |
Grand Prix Kobe 2009 | 11 | 32 | Nakamura, Shuhei (2072) | Won 2-1 | Okamoto, Jin (1937) |