| event | round | table | player one | result | player two |
| Grand Prix Yokohama 2010 | 14 | 58 | Tamura, Ryo (1655) | Won 2-1 | Ishida, Hiroshi (1620) |
| Grand Prix Kobe 2012 | 15 | 41 | Tamura, Ryo (1836) | Lost 1-2 | Ishida, Hiroshi (1703) |
| Grand Prix Yokohama 2013 | 3 | 801 | Tamura, Ryo (1891) | Won 2-0 | Ishida, Hiroshi (1673) |