| Youth DFB-Pokal 2013/2014 - Appearances as Referee |  |
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| 15/12/2013 | Bayer Leverkusen | - | Werder Bremen | 3:2 aet | 5 | - | - |
| Youth DFB-Pokal 2013/2014 - Appearances as Referee | |
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| 15/12/2013 | Bayer Leverkusen | - | Werder Bremen | 3:2 aet | 5 | - | - |
| Complete name: | Stefan Zielsdorf |
| Born: | 17/08/1989 |
| Place of birth: |
Germany |
| Residence: | Haselünne |
| Nationality: |
Germany |
| Club: | SpVg Hülsen-Westerloh |
| Height: | 186 cm |