| Europa League 1990/1991 - Appearances as Referee |  |
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| 02/10/1990 | GAIS Göteborg | - | Torpedo Moskva | 1:1 | - | - | - |
| 11/12/1990 | Bologna FC | - | Admira/Wacker | 6:5 pso | - | - | - |
| Europa League 1990/1991 - Appearances as Referee | |
|
|
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| 02/10/1990 | GAIS Göteborg | - | Torpedo Moskva | 1:1 | - | - | - |
| 11/12/1990 | Bologna FC | - | Admira/Wacker | 6:5 pso | - | - | - |
| Complete name: | Karl-Heinz Tritschler |
| Born: | 16/09/1949 |
| Place of birth: |
Germany |
| Residence: | Freiburg |
| Nationality: |
Germany |
| Bundesliga (GER) appearances: | 98 |