| DFB-Pokal 2003/2004 - Appearances as Assistant | ||||
| 29/08/2003 | VfL Wolfsburg II | - | Energie Cottbus | 2:0 |
| 28/10/2003 | VfL Wolfsburg II | - | 1. FC Köln | 2:3 |
| 03/02/2004 | Bor. Mönchengladbach | - | MSV Duisburg | 4:3 pso |
| DFB-Pokal 2003/2004 - Appearances as Assistant | ||||
| 29/08/2003 | VfL Wolfsburg II | - | Energie Cottbus | 2:0 |
| 28/10/2003 | VfL Wolfsburg II | - | 1. FC Köln | 2:3 |
| 03/02/2004 | Bor. Mönchengladbach | - | MSV Duisburg | 4:3 pso |
| Complete name: | Olaf Blumenstein |
| Born: | 24/09/1961 |
| Place of birth: |
Germany |
| Nationality: |
Germany |