| Youth Bundesliga Süd/Südwest 2019/2020 - Appearances as Referee |  |
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| 07/12/2019 | 1899 Hoffenheim | - | VfB Stuttgart | 1:3 | 6 | - | - |
| 15/02/2020 | SC Freiburg | - | 1. FC Kaiserslautern | 0:1 | 2 | - | - |
| 08/03/2020 | SSV Ulm 1846 | - | SpVgg Greuther Fürth | 5:1 | 6 | - | - |
| Youth Bundesliga Süd/Südwest 2019/2020 - Appearances as Referee | |
|
|
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| 07/12/2019 | 1899 Hoffenheim | - | VfB Stuttgart | 1:3 | 6 | - | - |
| 15/02/2020 | SC Freiburg | - | 1. FC Kaiserslautern | 0:1 | 2 | - | - |
| 08/03/2020 | SSV Ulm 1846 | - | SpVgg Greuther Fürth | 5:1 | 6 | - | - |
| Complete name: | Justin Joel Hasmann |
| Born: | 22/04/1999 |
| Place of birth: |
Neunkirchen/Saar, 
Germany |
| Nationality: |
Germany |