| 1. Jornada | 25.07.1990 | FC Aarau | - | FC Wettingen | 1:0 | ||||
| 4. Jornada | 08.08.1990 | BSC Young Boys | - | FC Aarau | 2:2 | ||||
| 5. Jornada | 11.08.1990 | FC Aarau | - | FC Luzern | 2:2 | ||||
| 6. Jornada | 18.08.1990 | FC St. Gallen | - | FC Aarau | 2:1 |  |
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| 8. Jornada | 01.09.1990 | FC Aarau | - | FC Lugano | 1:1 | ||||
| 9. Jornada | 05.09.1990 | FC Sion | - | FC Aarau | 2:1 | ||||
| 10. Jornada | 15.09.1990 | Neuchâtel Xamax FC | - | FC Aarau | 2:0 | ||||
| 11. Jornada | 22.09.1990 | FC Aarau | - | Lausanne Sports | 0:1 | ||||
| 12. Jornada | 06.10.1990 | FC Wettingen | - | FC Aarau | 4:3 | ||||
| 15. Jornada | 27.10.1990 | FC Aarau | - | BSC Young Boys | 2:1 | ||||
| 17. Jornada | 10.11.1990 | FC Aarau | - | FC St. Gallen | 1:1 |
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