19 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Matuszewski, Jakub | Lachacz, Tymoteusz | 0-1 | B90 | mwj sypniewo c18 | 2026-06-05 |
| Matuszewski, Jakub | Stepien, Antoni | 1/2-1/2 | B34 | II DMP Juniorow 2026 | 2026-05-28 |
| Matuszewski, Jakub | Joachimiak, Adam | 1/2-1/2 | E11 | II DMP Juniorow 2026 | 2026-05-27 |
| Matuszewski, Jakub | Kopia, Julian | 0-1 | C47 | II DMP Juniorow 2026 | 2026-05-25 |
| Matuszewski, Jakub | Becker, Krzysztof | 1-0 | B34 | II DMP Juniorow 2026 | 2026-05-23 |
| Matuszewski, Jakub | Mielcuch, Karol | 0-1 | B46 | II DMP Juniorow 2026 | 2026-05-21 |
| Matuszewski, Jakub | Drzewiecki, Wojciech | 1-0 | B72 | MWJ | 2025-06-15 |
| Matuszewski, Jakub | Kolesnik, Piotr | 1-0 | D01 | MWJ | 2025-06-14 |
| Matuszewski, Jakub | Chosinski, Jan | 1-0 | C01 | MWJ | 2025-06-13 |
| Matuszewski, Jakub | Ciesielski, Maurycy | 1/2-1/2 | B08 | MWJ | 2025-06-12 |
| Matuszewski, Jakub | Wos, Jakub | 0-1 | C71 | MWJ | 2025-06-11 |