| 1. Round | 09/08/2003 | RSC Anderlecht | - | Royal Antwerp FC | 3:1 | ||||
| 2. Round | 16/08/2003 | KAA Gent | - | RSC Anderlecht | 1:3 | ||||
| 3. Round | 23/08/2003 | RSC Anderlecht | - | Sint-Truidense VV | 3:0 | ||||
| 4. Round | 30/08/2003 | RSC Anderlecht | - | KSK Beveren | 1:0 | ||||
| 5. Round | 13/09/2003 | Sporting Lokeren | - | RSC Anderlecht | 0:6 |  |
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| 8. Round | 05/10/2003 | RSC Anderlecht | - | Club Brugge KV | 1:1 | ||||
| 14. Round | 29/11/2003 | RSC Anderlecht | - | Lierse SK (old) | 2:1 | ||||
| 17. Round | 21/12/2003 | RAA La Louviére | - | RSC Anderlecht | 1:4 | ||||
| 23. Round | 22/02/2004 | KVC Westerlo | - | RSC Anderlecht | 0:0 |
Belgium