| 1. Jornada | 25.02.1990 | FC Bulle | - | FC Aarau | 1:3 | ||||
| 2. Jornada | 04.03.1990 | FC Aarau | - | FC Wettingen | 1:0 |  |
|||
| 3. Jornada | 11.03.1990 | FC Locarno | - | FC Aarau | 2:0 | ||||
| 4. Jornada | 18.03.1990 | FC Aarau | - | FC Winterthur | 1:0 | ||||
| 5. Jornada | 25.03.1990 | CS Chênois | - | FC Aarau | 0:3 | ||||
| 6. Jornada | 11.04.1990 | FC Aarau | - | FC Grenchen | 3:0 | ||||
| 7. Jornada | 16.04.1990 | FC Baden | - | FC Aarau | 2:5 |  |
|||
| 8. Jornada | 25.04.1990 | FC Aarau | - | FC Baden | 3:1 | ||||
| 9. Jornada | 28.04.1990 | FC Grenchen | - | FC Aarau | 2:0 | ||||
| 10. Jornada | 05.05.1990 | FC Aarau | - | CS Chênois | 6:0 | ||||
| 11. Jornada | 12.05.1990 | FC Winterthur | - | FC Aarau | 1:7 | ||||
| 12. Jornada | 19.05.1990 | FC Aarau | - | FC Locarno | 2:0 | ||||
| 13. Jornada | 26.05.1990 | FC Wettingen | - | FC Aarau | 1:1 | ||||
| 14. Jornada | 30.05.1990 | FC Aarau | - | FC Bulle | 0:0 |
Suiza