| Europa League 1991/1992 - Appearances as Referee |  |
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| 23/10/1991 | Neuchâtel Xamax FC | - | Celtic FC | 5:1 | - | - | - |
| 10/12/1991 | Trabzonspor | - | B 1903 København | 1:1 | - | - | - |
| 17/03/1992 | Real Madrid | - | SK Sigma MŽ Olomouc | 1:0 | - | - | - |
| Europa League 1991/1992 - Appearances as Referee | |
|
|
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| 23/10/1991 | Neuchâtel Xamax FC | - | Celtic FC | 5:1 | - | - | - |
| 10/12/1991 | Trabzonspor | - | B 1903 København | 1:1 | - | - | - |
| 17/03/1992 | Real Madrid | - | SK Sigma MŽ Olomouc | 1:0 | - | - | - |
| Complete name: | Alphonse Constantin |
| Born: | 17/05/1949 |
| Place of birth: |
Belgium |
| Nationality: |
Belgium |