| Relegation Bundesliga 1990/1991 - Appearances as Referee |  |
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| 18/06/1991 | FC St. Pauli | - | Stuttgarter Kickers | 1:1 | 5 | - | - |
| Relegation Bundesliga 1990/1991 - Appearances as Referee | |
|
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| 18/06/1991 | FC St. Pauli | - | Stuttgarter Kickers | 1:1 | 5 | - | - |
| Complete name: | Karl-Josef Assenmacher |
| Born: | 30/05/1947 |
| Place of birth: |
Germany |
| Residence: | Fischenich |
| Nationality: |
Germany |
| Bundesliga (GER) appearances: | 153 |