| Europa League 2024/2025 - Appearances as Referee |  |
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| 24/10/2024 | Olympique Lyonnais | - | Beşiktaş | 0:1 | 8 | - | - |
| 12/12/2024 | Real Sociedad | - | Dinamo Kiev | 3:0 | 4 | - | - |
| 30/01/2025 | FCSB | - | Manchester United | 0:2 | 4 | - | - |
| Europa League 2024/2025 - Appearances as Referee | |
|
|
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| 24/10/2024 | Olympique Lyonnais | - | Beşiktaş | 0:1 | 8 | - | - |
| 12/12/2024 | Real Sociedad | - | Dinamo Kiev | 3:0 | 4 | - | - |
| 30/01/2025 | FCSB | - | Manchester United | 0:2 | 4 | - | - |
| 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 |