| event | round | table | player one | result | player two |
| Grand Prix Kobe 2014 | 9 | 169 | Ishimaru, Ken (1679) | Won 2-1 | Seko, Kazuki (1575) |
| Grand Prix Tokyo 2016 | 15 | 283 | Ishimaru, Ken (1712) | Won 2-1 | Seko, Kazuki (1467) |
| Grand Prix Kobe 2017 | 7 | 1119 | Ishimaru, Ken (1715) | Won 2-1 | Seko, Kazuki (1467) |