| Oberliga Niederrhein 2024/2025 - Appearances as Assistant | ||||
| 09/02/2025 | Sportfreunde Niederwenigern | - | SC St. Tönis 11/20 | 0:2 |
| 04/05/2025 | SV Biemenhorst | - | VfB 03 Hilden | 1:4 |
| Oberliga Niederrhein 2024/2025 - Appearances as Assistant | ||||
| 09/02/2025 | Sportfreunde Niederwenigern | - | SC St. Tönis 11/20 | 0:2 |
| 04/05/2025 | SV Biemenhorst | - | VfB 03 Hilden | 1:4 |
| Complete name: | Oliver Klostermann |
| Born: | |
| Place of birth: |
Germany |
| Nationality: |
Germany |