| Youth Bundesliga West 2003/2004 - Appearances as Referee |  |
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| 25/10/2003 | Alemannia Aachen | - | SC Paderborn 07 | 1:0 | 3 | 1 | - |
| Youth Bundesliga West 2003/2004 - Appearances as Referee | |
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| 25/10/2003 | Alemannia Aachen | - | SC Paderborn 07 | 1:0 | 3 | 1 | - |
| 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 |