| DFB-Pokal 2021/2022 - Appearances as Referee |  |
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| 07/08/2021 | Weiche Flensburg 08 | - | Holstein Kiel | 2:4 aet | 4 | - | - |
| 26/10/2021 | Preußen Münster | - | Hertha BSC | 1:3 | 6 | 1 | - |
| DFB-Pokal 2021/2022 - Appearances as Referee | |
|
|
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| 07/08/2021 | Weiche Flensburg 08 | - | Holstein Kiel | 2:4 aet | 4 | - | - |
| 26/10/2021 | Preußen Münster | - | Hertha BSC | 1:3 | 6 | 1 | - |
| 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: | 100 |