| 2. Bundesliga 2024/2025 - Appearances as Referee |  |
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| 02/11/2024 | Hertha BSC | - | 1. FC Köln | 0:1 | 6 | - | - |
| 21/02/2025 | Hertha BSC | - | 1. FC Nürnberg | 0:0 | 5 | - | - |
| 19/04/2025 | FC Schalke 04 | - | Hamburger SV | 2:2 | 6 | - | 1 |
| 2. Bundesliga 2024/2025 - Appearances as Referee | |
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| 02/11/2024 | Hertha BSC | - | 1. FC Köln | 0:1 | 6 | - | - |
| 21/02/2025 | Hertha BSC | - | 1. FC Nürnberg | 0:0 | 5 | - | - |
| 19/04/2025 | FC Schalke 04 | - | Hamburger SV | 2:2 | 6 | - | 1 |
| Complete name: | Harm Osmers |
| Born: | 28/01/1985 |
| Place of birth: |
Germany |
| Residence: | Hannover |
| Nationality: |
Germany |
| Profession: | Investitionscontroller |
| Club: | SV Baden |
| Height: | 189 cm |
| Weight: | 81 kg |
| Bundesliga (GER) appearances: | 123 |