event | round | table | player one | result | player two |
Grand Prix Yamagata 2006 | 6 | 27 | Nakajima, Chikara (1672) | Won 2-0 | Hayashi, Hiroki (1625) |
Grand Prix Kobe 2008 | 15 | 19 | Nakajima, Chikara (1623) | Lost 1-2 | Hayashi, Hiroki (1703) |
Grand Prix Yokohama 2012 | 11 | 26 | Nakajima, Chikara (1978) | Lost 1-2 | Hayashi, Hiroki (1780) |