| DFB-Pokal 2023/2024 - Appearances as Referee |  |
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| 12/08/2023 | Viktoria Köln | - | Werder Bremen | 3:2 | 3 | - | 1 |
| 01/11/2023 | 1. FC Saarbrücken | - | Bayern München | 2:1 | 4 | - | - |
| DFB-Pokal 2023/2024 - Appearances as Referee | |
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| 12/08/2023 | Viktoria Köln | - | Werder Bremen | 3:2 | 3 | - | 1 |
| 01/11/2023 | 1. FC Saarbrücken | - | Bayern München | 2:1 | 4 | - | - |
| Complete name: | Frank Willenborg |
| Born: | 10/02/1979 |
| Place of birth: |
Germany |
| Residence: | Osnabrück |
| Nationality: |
Germany |
| Profession: | Realschullehrer |
| Club: | SV Gehlenberg |
| Height: | 188 cm |
| Weight: | 82 kg |
| Bundesliga (GER) appearances: | 89 |