| DFB-Pokal 2012/2013 - Appearances as Assistant | ||||
| 30/10/2012 | FC Schalke 04 | - | SV Sandhausen | 3:0 |
| 17/04/2013 | VfB Stuttgart | - | SC Freiburg | 2:1 |
| DFB-Pokal 2012/2013 - Appearances as Assistant | ||||
| 30/10/2012 | FC Schalke 04 | - | SV Sandhausen | 3:0 |
| 17/04/2013 | VfB Stuttgart | - | SC Freiburg | 2:1 |
| 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: | 89 |