| Youth Bundesliga Nord/Nordost 2005/2006 - Appearances as Referee |  |
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| 09/10/2005 | SG Sachsen Leipzig | - | Rot-Weiß Erfurt | 3:1 | 5 | - | - |
| 19/03/2006 | FV Dresden-Nord | - | Energie Cottbus | 0:2 | 2 | - | 1 |
| 02/04/2006 | Rot-Weiß Erfurt | - | Hertha BSC | 0:5 | 1 | - | - |
| Youth Bundesliga Nord/Nordost 2005/2006 - Appearances as Referee | |
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|
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| 09/10/2005 | SG Sachsen Leipzig | - | Rot-Weiß Erfurt | 3:1 | 5 | - | - |
| 19/03/2006 | FV Dresden-Nord | - | Energie Cottbus | 0:2 | 2 | - | 1 |
| 02/04/2006 | Rot-Weiß Erfurt | - | Hertha BSC | 0:5 | 1 | - | - |
| Complete name: | Karl Valentin |
| Born: | 08/12/1983 |
| Place of birth: |
Germany |
| Residence: | Taufkirchen |
| Nationality: |
Germany |