| Regionalliga Nord 2011/2012 - Appearances as Referee |  |
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| 14/08/2011 | VFC Plauen | - | 1. FC Magdeburg | 0:0 | 1 | - | - |
| 03/03/2012 | Hallescher FC | - | Hannover 96 II | 2:1 | 4 | - | - |
| 29/04/2012 | RB Leipzig | - | Berliner AK 07 | 2:1 | 1 | - | - |
| Regionalliga Nord 2011/2012 - Appearances as Referee | |
|
|
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| 14/08/2011 | VFC Plauen | - | 1. FC Magdeburg | 0:0 | 1 | - | - |
| 03/03/2012 | Hallescher FC | - | Hannover 96 II | 2:1 | 4 | - | - |
| 29/04/2012 | RB Leipzig | - | Berliner AK 07 | 2:1 | 1 | - | - |
| Complete name: | Karl Valentin |
| Born: | 08/12/1983 |
| Place of birth: |
Germany |
| Residence: | Taufkirchen |
| Nationality: |
Germany |