21 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Steczek, Marcin | Wilgosz, Szczepan | 1/2-1/2 | A06 | II Liga 2026 | 2026-09-05 |
| Steczek, Marcin | Gierulski, Kamil | 1/2-1/2 | D02 | II Liga 2026 | 2026-08-30 |
| Steczek, Marcin | Norkeliunas, Matas | 1-0 | A13 | 2026 Blitz tournament RAPID | 2026-01-04 |
| Steczek, Marcin | Lapot, Arkadiusz | 1-0 | A46 | 2026 Blitz tournament RAPID | 2026-01-03 |
| Steczek, Marcin | Voveris, Vykintas | 1/2-1/2 | A05 | 2026 Blitz tournament RAPID | 2026-01-03 |
| Steczek, Marcin | Filipovs, Sergejs | 1-0 | A13 | 2026 Blitz tournament RAPID | 2026-01-03 |
| Steczek, Marcin | Rekuc, Patryk | 1/2-1/2 | A46 | 2026 Blitz tournament RAPID | 2026-01-01 |
| Steczek, Marcin | Kawulski-Chodkiewicz, Alexander | 1/2-1/2 | A46 | DMP II LIga 2024 1 | 2024-09-08 |
| Steczek, Marcin | Wieczorek, Mikolaj | 1/2-1/2 | A04 | DMP II LIga 2024 1 | 2024-09-06 |
| Steczek, Marcin | Jedraszek, Pawel | 1-0 | A05 | DMP II LIga 2024 1 | 2024-09-05 |
| Steczek, Marcin | Karut, Kacper | 1-0 | D78 | DMP II LIga 2024 1 | 2024-09-03 |
| Steczek, Marcin | Lisowski, Krzysztof | 1-0 | D02 | DMP II LIga 2024 1 | 2024-09-01 |