| Youth Bundesliga West 2017/2018 - Appearances as Referee |  |
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 |
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| 24/09/2017 | Arminia Klosterhardt | - | Borussia Dortmund | 3:3 | 6 | - | - |
| 04/02/2018 | 1. FC Köln | - | FC Schalke 04 | 0:2 | 7 | - | - |
| 24/02/2018 | Fortuna Köln | - | Rot-Weiß Oberhausen | 1:3 | 4 | - | - |
| Youth Bundesliga West 2017/2018 - Appearances as Referee | |
|
|
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| 24/09/2017 | Arminia Klosterhardt | - | Borussia Dortmund | 3:3 | 6 | - | - |
| 04/02/2018 | 1. FC Köln | - | FC Schalke 04 | 0:2 | 7 | - | - |
| 24/02/2018 | Fortuna Köln | - | Rot-Weiß Oberhausen | 1:3 | 4 | - | - |
| Complete name: | Mario Schmidt |
| Born: | 02/04/1989 |
| Place of birth: |
Germany |
| Nationality: |
Germany |