| event | round | table | player one | result | player two |
| Grand Prix Bangkok 2007 | 8 | 11 | Ishikawa, Ren (1846) | ID | Kurihara, Shingou (1992) |
| Grand Prix Niigata 2009 | 12 | 12 | Ishikawa, Ren (1952) | Won 2-0 | Kurihara, Shingou (2157) |
| Grand Prix Niigata 2009 | 15 | 1 | Ishikawa, Ren (1992) | ID | Kurihara, Shingou (2159) |