| event | round | table | player one | result | player two |
| Grand Prix Chiba 2015 | 5 | 852 | Kamo, Riki (1566) | Lost 1-2 | Satou, Fumihiko (1390) |
| Grand Prix Shizuoka 2017 | 3 | 23 | Kamo, Riki (1711) | Won 2-0 | Satou, Fumihiko (1537) |
| Grand Prix Hong Kong 2018 | 6 | 252 | Kamo, Riki (1703) | Lost 0-2 | Satou, Fumihiko (1663) |