| Europa League 1972/1973 - Appearances as Referee |  |
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| 27/09/1972 | Austria Wien | - | PFC Beroe | 1:3 | 2 | - | - |
| 29/11/1972 | FC Ararat | - | 1. FC Kaiserslautern | 2:0 | 1 | - | - |
| Europa League 1972/1973 - Appearances as Referee | |
|
|
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| 27/09/1972 | Austria Wien | - | PFC Beroe | 1:3 | 2 | - | - |
| 29/11/1972 | FC Ararat | - | 1. FC Kaiserslautern | 2:0 | 1 | - | - |
| Complete name: | Mario Clematide |
| Born: | |
| Place of birth: |
Switzerland |
| Residence: | Zollikofen |
| Nationality: |
Switzerland |