| event | round | table | player one | result | player two |
| Grand Prix Taipei 2019 | 8 | 7 | Kumagai, Riku (2178) | Won 2-0 | Takahashi, Yuta (2116) |
| Grand Prix Nagoya 2019 | 13 | 2 | Kumagai, Riku (2145) | Lost 1-2 | Takahashi, Yuta (2088) |
| World Championship XXVIII | 6 | 5 | Kumagai, Riku (2063) | Won 2-1 | Takahashi, Yuta (2115) |
| World Championship XXVIII | 12 | 4 | Kumagai, Riku (2097) | Lost 0-2 | Takahashi, Yuta (2142) |