| Europa League 1997/1998 - Appearances as Referee |  |
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| 29/09/1997 | Arsenal FC | - | PAOK Saloniki | 1:1 | - | - | - |
| 02/03/1998 | Lazio Roma | - | AJ Auxerre | 1:0 | 3 | - | 1 |
| Europa League 1997/1998 - Appearances as Referee | |
|
|
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| 29/09/1997 | Arsenal FC | - | PAOK Saloniki | 1:1 | - | - | - |
| 02/03/1998 | Lazio Roma | - | AJ Auxerre | 1:0 | 3 | - | 1 |
| Complete name: | Michel Piraux |
| Born: | 15/10/1955 |
| Place of birth: |
Belgium |
| Nationality: |
Belgium |