10 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Koziel, Leon | Markowski, Tymon | 0-1 | C01 | DMPJ - I Liga 2023 | 2023-06-19 |
| Koziel, Leon | Chmiel, Krzysztof | 0-1 | C50 | DMPJ - I Liga 2023 | 2023-06-17 |
| Koziel, Leon | Chmiel, Krzysztof | 0-1 | C50 | DMPJ - I Liga 2023 | 2023-06-16 |
| Koziel, Leon | Staniczek, Kacper | 0-1 | C50 | DMPJ - I Liga 2023 | 2023-06-15 |
| Koziel, Leon | Karwot, Marek | 0-1 | B23 | DMPJ - I Liga 2023 | 2023-06-13 |