| DFB-Pokal 1973/1974 - Appearances as Referee |  |
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| 21/12/1973 | Kickers Offenbach | - | 1. FC Nürnberg | 3:2 | 1 | - | - |
| DFB-Pokal 1973/1974 - Appearances as Referee | |
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| 21/12/1973 | Kickers Offenbach | - | 1. FC Nürnberg | 3:2 | 1 | - | - |
| Complete name: | Horst Bonacker |
| Born: | 18/05/1937 |
| Place of birth: |
Germany |
| Residence: | Quadrath-Ichendorf |
| Nationality: |
Germany |
| Bundesliga (GER) appearances: | 30 |