event | round | table | player one | result | player two |
Grand Prix Chiba 2015 | Q | Shimizu, Ryouta (1727) | Lost 1-2 | Matsumoto, Yuki2978 (2081) | |
Grand Prix Chiba 2016 | 13 | 165 | Shimizu, Ryouta (1626) | Won 2-1 | Matsumoto, Yuki2978 (2023) |
Grand Prix Chiba 2018 | 6 | 92 | Shimizu, Ryouta (1544) | Won 2-1 | Matsumoto, Yuki2978 (1956) |