| 1. Round | 20/08/1998 | Fortuna Sittard | - | Feyenoord | 1:2 | ||||
| 2. Round | 28/08/1998 | Willem II | - | Fortuna Sittard | 1:0 | ||||
| 3. Round | 08/09/1998 | Fortuna Sittard | - | Vitesse | 0:2 | ||||
| 4. Round | 11/09/1998 | Fortuna Sittard | - | AZ Alkmaar | 2:2 | ||||
| 5. Round | 19/09/1998 | FC Utrecht | - | Fortuna Sittard | 1:1 | ||||
| 6. Round | 22/09/1998 | Fortuna Sittard | - | AFC Ajax | 1:0 | ||||
| 7. Round | 25/09/1998 | Fortuna Sittard | - | MVV | 0:1 | ||||
| 8. Round | 02/10/1998 | PSV Eindhoven | - | Fortuna Sittard | 2:0 | ||||
| 9. Round | 16/10/1998 | Fortuna Sittard | - | Sparta Rotterdam | 2:1 | ||||
| 10. Round | 22/10/1998 | Roda JC Kerkrade | - | Fortuna Sittard | 5:3 | ||||
| 11. Round | 29/10/1998 | Fortuna Sittard | - | FC Twente | 0:3 | ||||
| 12. Round | 07/11/1998 | sc Heerenveen | - | Fortuna Sittard | 2:0 |
Netherlands