1. Round | 18/07/1998 | Servette FC | - | FC Aarau | 3:2 | ||||
2. Round | 21/07/1998 | FC Aarau | - | FC Basel | 5:0 | ||||
3. Round | 25/07/1998 | Neuchâtel Xamax FC | - | FC Aarau | 0:0 | ||||
4. Round | 31/07/1998 | FC Aarau | - | FC St. Gallen | 2:6 | ||||
5. Round | 05/08/1998 | Grasshopper Club Zürich | - | FC Aarau | 2:0 | ||||
7. Round | 22/08/1998 | BSC Young Boys | - | FC Aarau | 1:1 | ||||
8. Round | 29/08/1998 | FC Aarau | - | FC Lugano | 2:0 | ||||
9. Round | 08/09/1998 | FC Sion | - | FC Aarau | 3:2 | ||||
10. Round | 13/09/1998 | FC Luzern | - | FC Aarau | 2:2 | ||||
11. Round | 20/09/1998 | FC Aarau | - | FC Zürich | 0:2 | ||||
15. Round | 25/10/1998 | FC St. Gallen | - | FC Aarau | 4:3 | ||||
16. Round | 30/10/1998 | FC Aarau | - | Grasshopper Club Zürich | 0:3 | ||||
17. Round | 08/11/1998 | Lausanne Sports | - | FC Aarau | 2:1 | ||||
18. Round | 15/11/1998 | FC Aarau | - | BSC Young Boys | 1:1 | ||||
19. Round | 22/11/1998 | FC Lugano | - | FC Aarau | 0:2 | ||||
20. Round | 29/11/1998 | FC Aarau | - | FC Sion | 2:2 | ||||
21. Round | 06/12/1998 | FC Aarau | - | FC Luzern | 0:0 | ||||
22. Round | 13/12/1998 | FC Zürich | - | FC Aarau | 1:0 |