| 11. Jornada | 20.09.1997 | Lausanne Sports | - | FC Aarau | 2:1 |  |
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| 13. Jornada | 28.09.1997 | SC Kriens | - | FC Aarau | 3:5 |  |
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| 14. Jornada | 04.10.1997 | FC Aarau | - | FC Zürich | 1:0 | ||||
| 17. Jornada | 01.11.1997 | Grasshopper Club Zürich | - | FC Aarau | 4:1 | ||||
| 18. Jornada | 09.11.1997 | FC Aarau | - | Neuchâtel Xamax FC | 2:2 | ||||
| 19. Jornada | 19.11.1997 | FC Luzern | - | FC Aarau | 0:0 | ||||
| 20. Jornada | 23.11.1997 | FC Aarau | - | Servette FC | 3:1 | ||||
| 21. Jornada | 30.11.1997 | Etoile Carouge FC | - | FC Aarau | 1:1 | ||||
| 22. Jornada | 07.12.1997 | FC Aarau | - | Lausanne Sports | 4:2 |
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