42 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Duda, Leon | Niesporek, Franciszek | 1/2-1/2 | C47 | II DMP Juniorow 2026 | 2026-05-29 |
| Duda, Leon | Grzebieniowski, Michal | 1-0 | B13 | II DMP Juniorow 2026 | 2026-05-28 |
| Duda, Leon | Oberc, Szymon | 1-0 | B10 | II DMP Juniorow 2026 | 2026-05-26 |
| Duda, Leon | Zawisza, Alan | 1/2-1/2 | B87 | II DMP Juniorow 2026 | 2026-05-25 |
| Duda, Leon | Smolinski, Wojciech | 1-0 | B57 | II DMP Juniorow 2026 | 2026-05-22 |
| Duda, Leon | Bochniak, Franciszek | 1/2-1/2 | B18 | XXI Batlic Pearl Ches Festival 2025 Group A | 2025-07-08 |
| Duda, Leon | Koszalka, Filip | 1-0 | C00 | XXI Batlic Pearl Ches Festival 2025 Group A | 2025-07-06 |
| Duda, Leon | Darowicki, Mariusz | 0-1 | B15 | XXI Batlic Pearl Ches Festival 2025 Group A | 2025-07-04 |
| Duda, Leon | Zeissel, Andrzej | 1/2-1/2 | B43 | XXI Batlic Pearl Ches Festival 2025 Group A | 2025-07-03 |
| Duda, Leon | Gasiorek, Dariusz | 1-0 | B41 | XXI Baltic Pearl Chess Festival Group A 22-27 | 2025-07-01 |
| Duda, Leon | Klim, Juliusz | 1/2-1/2 | B91 | DMPJ 1 liga 2025 | 2025-06-21 |
| Duda, Leon | Modzelewski, Filip | 1-0 | B33 | DMPJ 1 liga 2025 | 2025-06-19 |
| Duda, Leon | Fojcik, Kacper | 1-0 | C54 | DMPJ 1 liga 2025 | 2025-06-18 |
| Duda, Leon | Janik, Oskar | 1/2-1/2 | A08 | DMPJ 1 liga 2025 | 2025-06-15 |
| Duda, Leon | Mulawa, Cyprian | 0-1 | B91 | Mistrzostwa Polski Juniorów - C16 RAPID | 2024-08-02 |
| Duda, Leon | Grzebieniowski, Michal | 1-0 | B13 | DMPJ - I Liga 2023 | 2023-06-20 |
| Duda, Leon | Piechota, Kamil | * | D30 | DMPJ - I Liga 2023 | 2023-06-14 |
| Duda, Leon | Piechota, Kamil | 1/2-1/2 | C47 | DMPJ - I Liga 2023 | 2023-06-14 |
| Duda, Leon | Kazmierowski, Tymon | 0-1 | B90 | DMPJ - I Liga 2023 | 2023-06-13 |
| Duda, Leon | Aymerich Verdaguer, Eduard | 1/2-1/2 | B49 | ebrcc2022 | 2022-12-16 |