| event | round | table | player one | result | player two |
| Pro Tour Rivals of Ixalan | 5 | 95 | Kowalski, Grzegorz (2060) | Won 2-1 | Kassis, Eli (2003) |
| Mythic Championship IV | 11 | 8 | Kowalski, Grzegorz (2085) | Lost 1-2 | Kassis, Eli (2005) |
| Mythic Championship VI | 12 | 5 | Kowalski, Grzegorz (2182) | Won 2-0 | Kassis, Eli (2086) |
| 2020 Mythic Invitational | 6 | 8 | Kowalski, Grzegorz (2179) | Won 2-1 | Kassis, Eli (2048) |