| League Cup 1972/1973 - Appearances as Referee |  |
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| 09/08/1972 | Fortuna Düsseldorf | - | Fortuna Köln | 2:0 | - | - | - |
| League Cup 1972/1973 - Appearances as Referee | |
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| 09/08/1972 | Fortuna Düsseldorf | - | Fortuna Köln | 2:0 | - | - | - |
| Complete name: | Ricker |
| Born: | |
| Place of birth: |
Germany |
| Residence: | Bochum |
| Nationality: |
Germany |