| Europa League 1970/1971 - Appearances as Referee |  |
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| 16/09/1970 | Juventus | - | US Rumelange | 7:0 | - | - | - |
| 29/09/1970 | CS Sedan | - | 1. FC Köln | 1:0 | - | - | - |
| 28/10/1970 | TJ Spartak TAZ Trnava | - | Hertha BSC | 3:1 | - | - | - |
| Europa League 1970/1971 - Appearances as Referee | |
|
|
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| 16/09/1970 | Juventus | - | US Rumelange | 7:0 | - | - | - |
| 29/09/1970 | CS Sedan | - | 1. FC Köln | 1:0 | - | - | - |
| 28/10/1970 | TJ Spartak TAZ Trnava | - | Hertha BSC | 3:1 | - | - | - |
| Complete name: | Karl Göppel |
| Born: | |
| Place of birth: |
Switzerland |
| Residence: | Zürich |
| Nationality: |
Switzerland |