| 1. Ronde | 24.07.1991 | FC Aarau | - | Grasshopper Club Zürich | 4:0 |  |
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| 2. Ronde | 27.07.1991 | FC Sion | - | FC Aarau | 1:1 |  |
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| 3. Ronde | 03.08.1991 | FC Aarau | - | Lausanne Sports | 0:3 | ||||
| 4. Ronde | 06.08.1991 | BSC Young Boys | - | FC Aarau | 5:0 | ||||
| 7. Ronde | 24.08.1991 | FC Aarau | - | FC Lugano | 0:0 | ||||
| 8. Ronde | 28.08.1991 | Servette FC | - | FC Aarau | 2:2 | |
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| 9. Ronde | 31.08.1991 | FC Aarau | - | FC St. Gallen | 1:2 | ||||
| 10. Ronde | 04.09.1991 | FC Aarau | - | FC Zürich | 1:3 | ||||
| 11. Ronde | 14.09.1991 | Neuchâtel Xamax FC | - | FC Aarau | 1:0 | ||||
| 12. Ronde | 21.09.1991 | Grasshopper Club Zürich | - | FC Aarau | 3:1 | |
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| 13. Ronde | 05.10.1991 | FC Aarau | - | FC Sion | 2:2 | |
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| 15. Ronde | 15.10.1991 | FC Aarau | - | BSC Young Boys | 1:4 | |
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| 16. Ronde | 19.10.1991 | FC Luzern | - | FC Aarau | 0:0 | ||||
| 17. Ronde | 26.10.1991 | FC Aarau | - | FC Wettingen | 2:0 | ||||
| 14. Ronde | 30.10.1991 | Lausanne Sports | - | FC Aarau | 5:0 | ||||
| 18. Ronde | 03.11.1991 | FC Lugano | - | FC Aarau | 1:1 | ||||
| 19. Ronde | 17.11.1991 | FC Aarau | - | Servette FC | 0:1 | ||||
| 20. Ronde | 24.11.1991 | FC St. Gallen | - | FC Aarau | 2:0 | ||||
| 21. Ronde | 01.12.1991 | FC Zürich | - | FC Aarau | 0:0 | ||||
| 22. Ronde | 07.12.1991 | FC Aarau | - | Neuchâtel Xamax FC | 1:2 | |
Zwitserland