| Regionalliga West 2009/2010 - Appearances as Referee |  |
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 |
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| 30/08/2009 | FC Schalke 04 II | - | Sportfreunde Lotte | 1:1 | 4 | - | - |
| 24/04/2010 | Fortuna Düsseldorf II | - | FC Schalke 04 II | 0:4 | 5 | - | - |
| Regionalliga West 2009/2010 - Appearances as Referee | |
|
|
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| 30/08/2009 | FC Schalke 04 II | - | Sportfreunde Lotte | 1:1 | 4 | - | - |
| 24/04/2010 | Fortuna Düsseldorf II | - | FC Schalke 04 II | 0:4 | 5 | - | - |
| Complete name: | Karl Wiatrek |
| Born: | 17/01/1987 |
| Place of birth: |
Germany |
| Residence: | Witzenhausen |
| Nationality: |
Germany |
| Height: | 177 cm |
| Weight: | 69 kg |