| Regionalliga Süd (1994-2012) 2008/2009 - Appearances as Referee |  |
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| 23/11/2008 | Waldhof Mannheim | - | 1. FC Nürnberg II | 1:1 | 2 | - | - |
| 13/05/2009 | Hessen Kassel | - | SSV Ulm 1846 | 3:0 | 4 | - | - |
| Regionalliga Süd (1994-2012) 2008/2009 - Appearances as Referee | |
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| 23/11/2008 | Waldhof Mannheim | - | 1. FC Nürnberg II | 1:1 | 2 | - | - |
| 13/05/2009 | Hessen Kassel | - | SSV Ulm 1846 | 3:0 | 4 | - | - |
| Complete name: | Guido Winkmann |
| Born: | 27/11/1973 |
| Place of birth: |
Germany |
| Residence: | Kerken |
| Nationality: |
Germany |
| Profession: | Polizeibeamter |
| Club: | SV Nütterden |
| Height: | 180 cm |
| Weight: | 71 kg |
| Bundesliga (GER) appearances: | 161 |