| Cup Winners Cup 1990/1991 - Appearances as Referee |  |
 |
 |
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| 18/09/1990 | Estrela Amadora | - | Neuchâtel Xamax FC | 1:1 | - | - | - |
| 09/04/1991 | Legia Warszawa | - | Manchester United | 1:3 | - | - | - |
| Cup Winners Cup 1990/1991 - Appearances as Referee | |
|
|
||||
| 18/09/1990 | Estrela Amadora | - | Neuchâtel Xamax FC | 1:1 | - | - | - |
| 09/04/1991 | Legia Warszawa | - | Manchester United | 1:3 | - | - | - |
| Complete name: | Alphonse Constantin |
| Born: | 17/05/1949 |
| Place of birth: |
Belgium |
| Nationality: |
Belgium |