| DFB-Pokal 1987/1988 - Appearances as Referee |  |
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| 10/12/1987 | Preußen Münster | - | Fortuna Köln | 2:3 | 3 | - | - |
| DFB-Pokal 1987/1988 - Appearances as Referee | |
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| 10/12/1987 | Preußen Münster | - | Fortuna Köln | 2:3 | 3 | - | - |
| Complete name: | Friedrich Retzmann |
| Born: | 10/08/1945 † |
| Place of birth: |
Germany |
| Residence: | Pinneberg |
| Nationality: |
Germany |
| Bundesliga (GER) appearances: | 33 |