| Aufstiegsrunde 1. Bundesliga 1969/1970 - Appearances as Referee |  |
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| 13/06/1970 | Karlsruher SC | - | VfL Osnabrück | 6:0 | - | - | - |
| Aufstiegsrunde 1. Bundesliga 1969/1970 - Appearances as Referee | |
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| 13/06/1970 | Karlsruher SC | - | VfL Osnabrück | 6:0 | - | - | - |
| Complete name: | Horst Bonacker |
| Born: | 18/05/1937 |
| Place of birth: |
Germany |
| Residence: | Quadrath-Ichendorf |
| Nationality: |
Germany |
| Bundesliga (GER) appearances: | 30 |