| Youth Bundesliga Nord/Nordost 2004/2005 - Appearances as Referee |  |
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| 03/05/2005 | Energie Cottbus | - | Rot-Weiß Erfurt | 4:3 | 5 | - | - |
| 25/05/2005 | Energie Cottbus | - | FV Dresden-Nord | 2:0 | 3 | - | - |
| Youth Bundesliga Nord/Nordost 2004/2005 - Appearances as Referee | |
|
|
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| 03/05/2005 | Energie Cottbus | - | Rot-Weiß Erfurt | 4:3 | 5 | - | - |
| 25/05/2005 | Energie Cottbus | - | FV Dresden-Nord | 2:0 | 3 | - | - |
| Complete name: | Olaf Blumenstein |
| Born: | 24/09/1961 |
| Place of birth: |
Germany |
| Nationality: |
Germany |