| event | round | table | player one | result | player two |
| Grand Prix Nagoya 2012 | 13 | 42 | Kawahara, Ryouta (1611) | Lost 0-0 | Tamura, Ryo (1857) |
| Grand Prix Kobe 2014 | 9 | 726 | Kawahara, Ryouta (1678) | Draw 1-1 | Tamura, Ryo (1953) |
| Grand Prix Kobe 2014 | 12 | 10 | Kawahara, Ryouta (1717) | Lost 0-2 | Tamura, Ryo (1972) |