| 1. Round | 10/08/2003 | Excelsior Mouscron | - | Standard Liège | 2:2 | ||||
| 3. Round | 23/08/2003 | Excelsior Mouscron | - | Lierse SK (old) | 1:1 | ||||
| 4. Round | 31/08/2003 | KRC Genk | - | Excelsior Mouscron | 2:0 | ||||
| 5. Round | 14/09/2003 | Excelsior Mouscron | - | Cercle Brugge | 4:0 |  |
|||
| 6. Round | 20/09/2003 | RAA La Louviére | - | Excelsior Mouscron | 1:2 | ||||
| 10. Round | 25/10/2003 | KSK Beveren | - | Excelsior Mouscron | 0:3 | ||||
| 11. Round | 31/10/2003 | Excelsior Mouscron | - | RSC Anderlecht | 0:1 | ||||
| 12. Round | 08/11/2003 | KVC Westerlo | - | Excelsior Mouscron | 1:1 | ||||
| 19. Round | 24/01/2004 | Excelsior Mouscron | - | RAEC Mons | 3:2 | ||||
| 20. Round | 01/02/2004 | Lierse SK (old) | - | Excelsior Mouscron | 2:2 | ||||
| 26. Round | 13/03/2004 | Sint-Truidense VV | - | Excelsior Mouscron | 1:1 | ||||
| 27. Round | 21/03/2004 | Excelsior Mouscron | - | KSK Beveren | 5:0 | ||||
| 24. Round | 24/03/2004 | Royal Antwerp FC | - | Excelsior Mouscron | 3:1 | ||||
| 32. Round | 01/05/2004 | Sporting Charleroi | - | Excelsior Mouscron | 1:0 | ||||
| 33. Round | 08/05/2004 | Excelsior Mouscron | - | Germinal Beerschot | 3:2 | ||||
| 34. Round | 15/05/2004 | Sporting Lokeren | - | Excelsior Mouscron | 1:1 |
Belgium