| Europa League 1968/1969 - Appearances as Referee |  |
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| 06/11/1968 | KSV Waregem | - | Legia Warszawa | 1:0 | - | - | - |
| 22/01/1969 | ACF Fiorentina | - | Vitória Setúbal | 2:1 | - | - | - |
| Europa League 1968/1969 - Appearances as Referee | |
|
|
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| 06/11/1968 | KSV Waregem | - | Legia Warszawa | 1:0 | - | - | - |
| 22/01/1969 | ACF Fiorentina | - | Vitória Setúbal | 2:1 | - | - | - |
| Complete name: | Mario Clematide |
| Born: | |
| Place of birth: |
Switzerland |
| Residence: | Zollikofen |
| Nationality: |
Switzerland |