| 3. Liga 2020/2021 - Appearances as Assistant | ||||
| 21/04/2021 | SpVgg Unterhaching | - | Türkgücü München | 0:2 |
| 22/05/2021 | Waldhof Mannheim | - | KFC Uerdingen 05 | 1:1 |
| 3. Liga 2020/2021 - Appearances as Assistant | ||||
| 21/04/2021 | SpVgg Unterhaching | - | Türkgücü München | 0:2 |
| 22/05/2021 | Waldhof Mannheim | - | KFC Uerdingen 05 | 1:1 |
| Complete name: | Stefan Zielsdorf |
| Born: | 17/08/1989 |
| Place of birth: |
Germany |
| Residence: | Haselünne |
| Nationality: |
Germany |
| Club: | SpVg Hülsen-Westerloh |
| Height: | 186 cm |