| 27. Round | 20/03/1999 | Sporting Lokeren | - | Lommelse SK | 2:1 | ||||
| 28. Round | 02/04/1999 | RSC Anderlecht | - | Sporting Lokeren | 1:1 | ||||
| 29. Round | 17/04/1999 | Sporting Lokeren | - | KRC Harelbeke | 1:0 | ||||
| 30. Round | 24/04/1999 | Sporting Lokeren | - | K.S.C. Eendracht Aalst | 6:2 | ||||
| 31. Round | 01/05/1999 | Lierse SK (old) | - | Sporting Lokeren | 2:3 | ||||
| 32. Round | 05/05/1999 | Sporting Lokeren | - | KV Oostende | 1:2 | ||||
| 33. Round | 09/05/1999 | Standard Liège | - | Sporting Lokeren | 2:4 | ||||
| 34. Round | 16/05/1999 | Sporting Lokeren | - | KAA Gent | 1:4 |
Belgium