| event | round | table | player one | result | player two |
| Grand Prix Kyoto 2019 | 4 | 43 | Kobayashi, Ryohei (1763) | Won 2-0 | Takahashi, Yuta (1985) |
| Regional Championships Aichi 2022 | 2 | 33 | Kobayashi, Ryohei (1646) | Won 2-1 | Takahashi, Yuta (2165) |
| Regional Championships Aichi 2023 | 5 | 54 | Kobayashi, Ryohei (1691) | Won 2-1 | Takahashi, Yuta (1928) |