event | round | table | player one | result | player two |
Grand Prix Minneapolis 2018 | 8 | 5 | Kowalski, Grzegorz (2215) | Lost 1-2 | Kumagai, Riku (2038) |
2020 Grand Finals | 4 | 10 | Kowalski, Grzegorz (2202) | Lost 0-2 | Kumagai, Riku (2077) |
Kaldheim Championship | 5 | 25 | Kowalski, Grzegorz (2094) | Lost 0-2 | Kumagai, Riku (2070) |