| Youth B Bundesliga Süd/Südwest 2010/2011 - Appearances as Referee |  |
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| 12/03/2011 | SpVgg Greuther Fürth | - | 1899 Hoffenheim | 0:2 | - | - | - |
| Youth B Bundesliga Süd/Südwest 2010/2011 - Appearances as Referee | |
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| 12/03/2011 | SpVgg Greuther Fürth | - | 1899 Hoffenheim | 0:2 | - | - | - |
| Complete name: | Karl Wiatrek |
| Born: | 17/01/1987 |
| Place of birth: |
Germany |
| Residence: | Witzenhausen |
| Nationality: |
Germany |
| Height: | 177 cm |
| Weight: | 69 kg |