| Youth DFB-Nachwuchsliga 2024/2025 Vorrunde - Appearances as Assistant | ||||
| 18/08/2024 | Rot-Weiss Essen | - | Preußen Münster | 2:3 |
| 13/09/2024 | Bor. Mönchengladbach | - | Bayer Leverkusen | 0:0 |
| 28/09/2024 | MSV Duisburg | - | SV Meppen | 2:1 |
| Youth DFB-Nachwuchsliga 2024/2025 Vorrunde - Appearances as Assistant | ||||
| 18/08/2024 | Rot-Weiss Essen | - | Preußen Münster | 2:3 |
| 13/09/2024 | Bor. Mönchengladbach | - | Bayer Leverkusen | 0:0 |
| 28/09/2024 | MSV Duisburg | - | SV Meppen | 2:1 |
| Complete name: | Jona Thiemann |
| Born: | |
| Place of birth: |
Germany |
| Nationality: |
Germany |