event | round | table | player one | result | player two |
Grand Prix Yokohama 2004 | 13 | 15 | Nonaka, Kentarou (1611) | Won 2-1 | Nakamura, Shuhei (1962) |
Grand Prix Matsuyama 2005 | 12 | 4 | Nonaka, Kentarou (1738) | Won 2-0 | Nakamura, Shuhei (2034) |
Grand Prix Matsuyama 2005 | Q | Nonaka, Kentarou (1764) | Won 2-1 | Nakamura, Shuhei (2040) |