| event | round | table | player one | result | player two |
| Pro Tour Shadows over Innistrad | 4 | 82 | Kowalski, Grzegorz (2073) | Lost 1-2 | Hendriks, Thomas (1831) |
| Grand Prix Prague 2017 | 5 | 114 | Kowalski, Grzegorz (2102) | Won 2-1 | Hendriks, Thomas (2121) |
| Players Tour Online 4 | 11 | 2 | Kowalski, Grzegorz (2249) | Lost 0-2 | Hendriks, Thomas (1986) |