| Oberliga Niedersachsen 2021/2022 Abstieg - Appearances as Assistant | ||||
| 10/04/2022 | Eintracht Northeim | - | Rotenburger SV | 0:3 |
| 15/05/2022 | MTV Gifhorn | - | FC Hagen/Uthlede | 4:1 |
| Oberliga Niedersachsen 2021/2022 Abstieg - Appearances as Assistant | ||||
| 10/04/2022 | Eintracht Northeim | - | Rotenburger SV | 0:3 |
| 15/05/2022 | MTV Gifhorn | - | FC Hagen/Uthlede | 4:1 |
| Complete name: | Nils Haak |
| Born: | |
| Place of birth: |
Germany |
| Nationality: |
Germany |