| event | round | table | player one | result | player two |
| Grand Prix Singapore 2007 | 9 | 3 | Ootsuka, Koutarou (1876) | Lost 1-2 | Kurihara, Shingou (1982) |
| Grand Prix Bangkok 2009 | S | Ootsuka, Koutarou (2216) | Lost 0-2 | Kurihara, Shingou (2057) | |
| 2009 World Championship | 5 | 171 | Ootsuka, Koutarou (2017) | Won 2-0 | Kurihara, Shingou (1992) |