| Youth B DFB-Nachwuchsliga 2024/2025 Hauptrunde Liga A - Appearances as Referee |  |
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| 12/04/2025 | Bayern München | - | 1. FC Nürnberg | 5:1 | 2 | - | - |
| 26/04/2025 | 1. FC Kaiserslautern | - | Eintracht Frankfurt | 2:0 | 1 | 1 | - |
| Youth B DFB-Nachwuchsliga 2024/2025 Hauptrunde Liga A - Appearances as Referee | |
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| 12/04/2025 | Bayern München | - | 1. FC Nürnberg | 5:1 | 2 | - | - |
| 26/04/2025 | 1. FC Kaiserslautern | - | Eintracht Frankfurt | 2:0 | 1 | 1 | - |
| Complete name: | Niklas Diehm |
| Born: | |
| Place of birth: |
Germany |
| Nationality: |
Germany |