event | round | table | player one | result | player two |
Grand Prix Kyoto 2015 | 4 | 71 | Kato, Kensuke (1655) | Won 2-0 | Watanabe, Yuuya (2075) |
Grand Prix Tokyo 2016 | 13 | 4 | Kato, Kensuke (1836) | Won 2-0 | Watanabe, Yuuya (2126) |
Grand Prix Kyoto 2019 | 15 | 2 | Kato, Kensuke (2057) | Lost 1-2 | Watanabe, Yuuya (2007) |
Grand Prix Kyoto 2019 | S | Kato, Kensuke (2054) | Lost 0-2 | Watanabe, Yuuya (2046) |