| Youth Bundesliga West 2019/2020 - Appearances as Referee |  |
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 |
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| 03/11/2019 | Alemannia Aachen | - | FC Schalke 04 | 0:3 | 7 | - | - |
| 30/11/2019 | Bayer Leverkusen | - | Arminia Bielefeld | 3:0 | 2 | - | - |
| 08/03/2020 | 1. FC Köln | - | MSV Duisburg | 4:0 | - | - | - |
| Youth Bundesliga West 2019/2020 - Appearances as Referee | |
|
|
||||
| 03/11/2019 | Alemannia Aachen | - | FC Schalke 04 | 0:3 | 7 | - | - |
| 30/11/2019 | Bayer Leverkusen | - | Arminia Bielefeld | 3:0 | 2 | - | - |
| 08/03/2020 | 1. FC Köln | - | MSV Duisburg | 4:0 | - | - | - |
| Complete name: | Marc Heiker |
| Born: | |
| Place of birth: |
Germany |
| Nationality: |
Germany |