| 6. Round | 12/09/1998 | KSK Beveren | - | KV Oostende | 5:0 | ||||
| 7. Round | 19/09/1998 | Standard Liège | - | KSK Beveren | 1:2 | ||||
| 8. Round | 26/09/1998 | KSK Beveren | - | KAA Gent | 0:3 | ||||
| 9. Round | 03/10/1998 | KRC Genk | - | KSK Beveren | 1:0 |  |
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| 11. Round | 24/10/1998 | RSC Charleroi | - | KSK Beveren | 1:2 | ||||
| 12. Round | 31/10/1998 | KSK Beveren | - | K.S.C. Eendracht Aalst | 0:2 | ||||
| 13. Round | 07/11/1998 | KSK Beveren | - | Excelsior Mouscron | 1:4 | ||||
| 14. Round | 14/11/1998 | KVC Westerlo | - | KSK Beveren | 0:0 | ||||
| 21. Round | 23/01/1999 | Sporting Lokeren | - | KSK Beveren | 4:3 | ||||
| 22. Round | 30/01/1999 | KSK Beveren | - | Lierse SK (old) | 1:3 | ||||
| 17. Round | 06/02/1999 | KSK Beveren | - | Sint-Truidense VV | 0:1 | ||||
| 23. Round | 14/02/1999 | KV Oostende | - | KSK Beveren | 1:1 | ||||
| 24. Round | 27/02/1999 | KSK Beveren | - | Standard Liège | 0:6 | ||||
| 25. Round | 06/03/1999 | KAA Gent | - | KSK Beveren | 4:1 | ||||
| 26. Round | 13/03/1999 | KSK Beveren | - | KRC Genk | 1:0 | ||||
| 27. Round | 21/03/1999 | KV Kortrijk | - | KSK Beveren | 1:0 | ||||
| 30. Round | 24/04/1999 | Excelsior Mouscron | - | KSK Beveren | 1:0 |
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