| Youth Bundesliga West 2017/2018 - Appearances as Referee |  |
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| 26/08/2017 | Preußen Münster | - | FC Schalke 04 | 1:1 | 3 | 1 | - |
| Youth Bundesliga West 2017/2018 - Appearances as Referee | |
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| 26/08/2017 | Preußen Münster | - | FC Schalke 04 | 1:1 | 3 | 1 | - |
| Complete name: | Konrad Viktor Moritz Oldhafer |
| Born: | 24/02/1995 |
| Place of birth: |
Germany |
| Residence: | Hamburg |
| Nationality: |
Germany |