| Europa League 2023/2024 - Appearances as Referee |  |
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| 21/09/2023 | Stade Rennais | - | Maccabi Haifa | 3:0 | 6 | - | - |
| 14/12/2023 | Aris Limassol | - | AC Sparta Praha | 1:3 | 5 | - | - |
| Europa League 2023/2024 - Appearances as Referee | |
|
|
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| 21/09/2023 | Stade Rennais | - | Maccabi Haifa | 3:0 | 6 | - | - |
| 14/12/2023 | Aris Limassol | - | AC Sparta Praha | 1:3 | 5 | - | - |
| 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 |