| 8. Round | 05/10/2003 | Cercle Brugge | - | Lierse SK (old) | 0:0 | ||||
| 9. Round | 19/10/2003 | Lierse SK (old) | - | RAA La Louviére | 1:1 | ||||
| 14. Round | 29/11/2003 | RSC Anderlecht | - | Lierse SK (old) | 2:1 | ||||
| 15. Round | 06/12/2003 | Lierse SK (old) | - | KVC Westerlo | 0:1 | ||||
| 16. Round | 12/12/2003 | Koninklijke Heusden-Zolder SK | - | Lierse SK (old) | 0:0 | ||||
| 18. Round | 17/01/2004 | Lierse SK (old) | - | Sporting Charleroi | 1:1 | ||||
| 19. Round | 24/01/2004 | Germinal Beerschot | - | Lierse SK (old) | 1:1 | ||||
| 20. Round | 01/02/2004 | Lierse SK (old) | - | Excelsior Mouscron | 2:2 |  |
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| 21. Round | 07/02/2004 | Standard Liège | - | Lierse SK (old) | 1:1 | ||||
| 22. Round | 14/02/2004 | Lierse SK (old) | - | RAEC Mons | 0:2 | ||||
| 23. Round | 21/02/2004 | Sporting Lokeren | - | Lierse SK (old) | 3:0 | ||||
| 28. Round | 03/04/2004 | KAA Gent | - | Lierse SK (old) | 1:1 | ||||
| 30. Round | 17/04/2004 | KSK Beveren | - | Lierse SK (old) | 0:1 | ||||
| 31. Round | 24/04/2004 | Lierse SK (old) | - | RSC Anderlecht | 1:1 |
Belgium