, 5-1.
| event |
round |
table |
player one |
result |
player two |
| Grand Prix London 2015 | 13 | 45 | Kowalski, Grzegorz (1960) | Lost 0-2 | Carvalho, Marcio (2147) |
| Pro Tour Oath of the Gatewatch | 8 | 56 | Kowalski, Grzegorz (1998) | Won 2-0 | Carvalho, Marcio (2072) |
| Pro Tour Rivals of Ixalan | 16 | 51 | Kowalski, Grzegorz (2080) | Won 2-1 | Carvalho, Marcio (2011) |
| Grand Prix Lyon 2018 | F | | Kowalski, Grzegorz (2185) | Won 2-1 | Carvalho, Marcio (2132) |
| 2018 World Championship | 9 | 7 | Kowalski, Grzegorz (2113) | Won 2-1 | Carvalho, Marcio (2205) |
| Kaldheim Championship | 10 | 7 | Kowalski, Grzegorz (2130) | Won 2-1 | Carvalho, Marcio (1986) |