8 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Kostka, Jakub | Wisniewski, Damian | 1/2-1/2 | A80 | MPA U1600 | 2026-04-18 |
| Kostka, Jakub | Piasta, Jan | 0-1 | D00 | MPA U1600 | 2026-04-14 |
| Kostka, Jakub | Malyszek, Patryk | 0-1 | D00 | MPA U1600 | 2026-04-13 |
| Kostka, Jakub | Wawrzyniak, Weronika | 0-1 | A45 | MPA U1600 | 2026-04-11 |