| 3. Liga 2014/2015 - Appearances as Referee |  |
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 |
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| 26/08/2014 | Dynamo Dresden | - | Holstein Kiel | 1:2 | 5 | - | - |
| 01/11/2014 | SV Wehen Wiesbaden | - | Chemnitzer FC | 2:0 | 3 | - | - |
| 31/01/2015 | Rot-Weiß Erfurt | - | Energie Cottbus | 2:0 | 3 | - | - |
| 18/04/2015 | Stuttgarter Kickers | - | VfB Stuttgart II | 2:1 | 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 |
