| Youth B Bundesliga Süd/Südwest 2012/2013 - Appearances as Referee |  |
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| 08/09/2012 | VfB Stuttgart | - | FC Augsburg | 5:0 | 1 | - | 1 |
| 24/02/2013 | Karlsruher SC | - | TSV 1860 München | 0:1 | 6 | - | - |
| Youth B Bundesliga Süd/Südwest 2012/2013 - Appearances as Referee | |
|
|
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| 08/09/2012 | VfB Stuttgart | - | FC Augsburg | 5:0 | 1 | - | 1 |
| 24/02/2013 | Karlsruher SC | - | TSV 1860 München | 0:1 | 6 | - | - |
| Complete name: | Julius Martenstein |
| Born: | 16/10/1991 |
| Place of birth: |
Germany |
| Residence: | Marburg |
| Nationality: |
Germany |