3. Round | 07/09/1998 | sc Heerenveen | - | Willem II | 2:2 | ||||
4. Round | 11/09/1998 | Willem II | - | Sparta Rotterdam | 3:2 | ||||
5. Round | 18/09/1998 | AZ Alkmaar | - | Willem II | 1:1 | ||||
7. Round | 25/09/1998 | Feyenoord | - | Willem II | 3:2 | ||||
8. Round | 02/10/1998 | Willem II | - | Roda JC Kerkrade | 1:2 | ||||
10. Round | 24/10/1998 | Willem II | - | PSV Eindhoven | 4:2 | ||||
12. Round | 06/11/1998 | De Graafschap | - | Willem II | 2:2 | ||||
13. Round | 10/11/1998 | Willem II | - | RKC Waalwijk | 3:0 | ||||
14. Round | 14/11/1998 | Willem II | - | NAC Breda | 2:1 | ![]() |
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15. Round | 20/11/1998 | FC Twente | - | Willem II | 5:1 | ||||
16. Round | 28/11/1998 | FC Utrecht | - | Willem II | 2:0 | ||||
16. Round | 03/12/1998 | Willem II | - | Vitesse | 3:5 | ||||
17. Round | 11/12/1998 | Willem II | - | NEC Nijmegen | 1:0 | ![]() |
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20. Round | 05/02/1999 | Willem II | - | sc Heerenveen | 3:2 | ||||
22. Round | 26/02/1999 | Willem II | - | FC Utrecht | 1:0 | ||||
23. Round | 06/03/1999 | RKC Waalwijk | - | Willem II | 1:3 |