event | round | table | player one | result | player two |
Grand Prix Okayama 2004 | 14 | 1 | Nakajima, Chikara (1719) | Won 2-1 | Kurihara, Shingou (1676) |
Grand Prix Manila 2008 | 14 | 6 | Nakajima, Chikara (1687) | Lost 0-2 | Kurihara, Shingou (1991) |
Grand Prix Taipei 2008 | 5 | 51 | Nakajima, Chikara (1794) | Won 2-0 | Kurihara, Shingou (1871) |
Grand Prix Bangkok 2009 | 7 | 1 | Nakajima, Chikara (1838) | Lost 0-2 | Kurihara, Shingou (2009) |