| Europa League 1970/1971 - Appearances as Referee |  |
 |
 |
||||
| 30/09/1970 | PAOK Saloniki | - | Dinamo Bucureşti | 1:0 | - | - | - |
| 28/10/1970 | Vitória Guimarães | - | Hibernian FC | 2:1 | - | - | - |
| Europa League 1970/1971 - Appearances as Referee | |
|
|
||||
| 30/09/1970 | PAOK Saloniki | - | Dinamo Bucureşti | 1:0 | - | - | - |
| 28/10/1970 | Vitória Guimarães | - | Hibernian FC | 2:1 | - | - | - |
| Complete name: | Sergio Gonella |
| Born: | 23/05/1933 † 19/06/2018 |
| Place of birth: |
Asti, Piemonte, 
Italy |
| Nationality: |
Italy |
| Profession: | Bankkaufmann |