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