| Youth B Bundesliga Nord/Nordost 2007/2008 - Appearances as Referee |  |
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| 19/08/2007 | Eintracht Braunschweig | - | Hannover 96 | 0:2 | 6 | - | - |
| 26/08/2007 | VfL Wolfsburg | - | Dynamo Dresden | 5:2 | 2 | - | - |
| 02/09/2007 | Hamburger SV | - | Rot-Weiß Erfurt | 2:0 | 1 | - | - |
| Youth B Bundesliga Nord/Nordost 2007/2008 - Appearances as Referee | |
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|
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| 19/08/2007 | Eintracht Braunschweig | - | Hannover 96 | 0:2 | 6 | - | - |
| 26/08/2007 | VfL Wolfsburg | - | Dynamo Dresden | 5:2 | 2 | - | - |
| 02/09/2007 | Hamburger SV | - | Rot-Weiß Erfurt | 2:0 | 1 | - | - |
| Complete name: | Karl Wiatrek |
| Born: | 17/01/1987 |
| Place of birth: |
Germany |
| Residence: | Witzenhausen |
| Nationality: |
Germany |
| Height: | 177 cm |
| Weight: | 69 kg |