| 1. Round | 22/08/1998 | RSC Anderlecht | - | RSC Charleroi | 1:1 | ||||
| 2. Round | 29/08/1998 | KSK Beveren | - | RSC Anderlecht | 2:1 | ||||
| 3. Round | 01/09/1998 | RSC Anderlecht | - | Excelsior Mouscron | 1:1 | ||||
| 4. Round | 05/09/1998 | KVC Westerlo | - | RSC Anderlecht | 6:0 | ||||
| 5. Round | 09/09/1998 | RSC Anderlecht | - | Club Brugge KV | 2:3 | ||||
| 6. Round | 12/09/1998 | KFC Germinal Ekeren | - | RSC Anderlecht | 0:3 |  |
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| 7. Round | 19/09/1998 | RSC Anderlecht | - | Sint-Truidense VV | 1:1 | ||||
| 8. Round | 26/09/1998 | Lommelse SK | - | RSC Anderlecht | 2:2 |  |
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| 9. Round | 04/10/1998 | K.S.C. Eendracht Aalst | - | RSC Anderlecht | 0:0 | |
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| 10. Round | 10/10/1998 | RSC Anderlecht | - | KRC Harelbeke | 3:1 | ||||
| 11. Round | 23/10/1998 | Sporting Lokeren | - | RSC Anderlecht | 2:3 | ||||
| 12. Round | 31/10/1998 | RSC Anderlecht | - | Lierse SK (old) | 2:0 | ||||
| 13. Round | 07/11/1998 | KV Oostende | - | RSC Anderlecht | 0:2 | |
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| 15. Round | 21/11/1998 | KAA Gent | - | RSC Anderlecht | 3:2 | |
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| 18. Round | 09/04/1999 | RSC Charleroi | - | RSC Anderlecht | 0:2 | ||||
| 30. Round | 24/04/1999 | RSC Anderlecht | - | KV Oostende | 3:0 |
Belgium