| Europa League 1975/1976 - Appearances as Referee |  |
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| 22/10/1975 | Hertha BSC | - | AFC Ajax | 1:0 | - | - | - |
| Europa League 1975/1976 - Appearances as Referee | |
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| 22/10/1975 | Hertha BSC | - | AFC Ajax | 1:0 | - | - | - |
| Complete name: | Sergio Gonella |
| Born: | 23/05/1933 † 19/06/2018 |
| Place of birth: |
Asti, Piemonte, 
Italy |
| Nationality: |
Italy |
| Profession: | Bankkaufmann |