| 10. Round | 11/10/1998 | Excelsior Mouscron | - | KRC Genk | 3:5 | ||||
| 22. Round | 30/01/1999 | KRC Genk | - | KAA Gent | 1:0 | ||||
| 23. Round | 13/02/1999 | K.S.C. Eendracht Aalst | - | KRC Genk | 1:2 | ||||
| 25. Round | 06/03/1999 | KRC Genk | - | RSC Charleroi | 2:1 | ||||
| 24. Round | 10/03/1999 | KV Kortrijk | - | KRC Genk | 1:3 |
Belgium