| event | round | table | player one | result | player two |
| Grand Prix Sendai 2010 | 7 | 1 | Tamada, Ryoichi (1677) | Lost 1-2 | Watanabe, Yuuya (1928) |
| Grand Prix Kyoto 2015 | 11 | 14 | Tamada, Ryoichi (1963) | Won 2-0 | Watanabe, Yuuya (2109) |
| Grand Prix Kyoto 2019 | 10 | 127 | Tamada, Ryoichi (1849) | Lost 0-2 | Watanabe, Yuuya (1930) |