| Youth Bundesliga Süd/Südwest 2008/2009 - Appearances as Referee |  |
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| 13/09/2008 | SC Freiburg | - | Bayern München | 0:2 | - | 1 | - |
| 09/11/2008 | SpVgg Unterhaching | - | 1. FSV Mainz 05 | 1:2 | - | - | 1 |
| Youth Bundesliga Süd/Südwest 2008/2009 - Appearances as Referee | |
|
|
||||
| 13/09/2008 | SC Freiburg | - | Bayern München | 0:2 | - | 1 | - |
| 09/11/2008 | SpVgg Unterhaching | - | 1. FSV Mainz 05 | 1:2 | - | - | 1 |
| Complete name: | Markus Sinn |
| Born: | 02/02/1979 |
| Place of birth: |
Germany |
| Residence: | Filderstadt |
| Nationality: |
Germany |
| Club: | SpVgg Stuttgart-Ost |