11 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Hammerl, Jonas | Burnus, Finn Crispin | 1-0 | D35 | Round 5: Hammerl, Jonas - Burnus, Finn Crispin | 2025-10-05 |
| Hammerl, Jonas | Woll, Wilfried | 0-1 | C06 | Round 3: Hammerl, Jonas - Woll, Wilfried | 2025-10-04 |
| Hammerl, Jonas | Karlinder, Lovis Neo | 1/2-1/2 | B12 | Round 1: Hammerl, Jonas - Karlinder, Lovis Neo | 2025-10-03 |
| Hammerl, Jonas | Ngo, Minh Duc | 1-0 | C96 | Round 4: Hammerl, Jonas - Ngo, Minh Duc | 2024-11-17 |
| Hammerl, Jonas | Wulff, Joerg | 1-0 | C72 | Round 2: Hammerl, Jonas - Wulff, Joerg | 2024-11-16 |
| Hammerl, Jonas | Markmann, Ulrich | 0-1 | B42 | 25th Open Bavarian Championship | 2022-11-10 |