| 1. Jornada | 21.07.2023 | FC Aarau | - | FC Baden | 1:0 |  |
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| 2. Jornada | 28.07.2023 | FC Sion | - | FC Aarau | 1:0 | ||||
| 3. Jornada | 06.08.2023 | FC Aarau | - | Neuchâtel Xamax FCS | 2:3 | ||||
| 4. Jornada | 13.08.2023 | AC Bellinzona | - | FC Aarau | 1:3 | ||||
| 5. Jornada | 25.08.2023 | FC Schaffhausen | - | FC Aarau | 2:2 | ||||
| 6. Jornada | 01.09.2023 | FC Aarau | - | FC Stade Nyonnais | 0:2 | ||||
| 7. Jornada | 22.09.2023 | FC Thun Berner Oberland | - | FC Aarau | 2:0 | |
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| 8. Jornada | 25.09.2023 | FC Aarau | - | FC Vaduz | 3:2 | ||||
| 9. Jornada | 29.09.2023 | FC Wil 1900 | - | FC Aarau | 0:2 | |
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| 10. Jornada | 08.10.2023 | FC Aarau | - | AC Bellinzona | 1:2 | ||||
| 11. Jornada | 22.10.2023 | FC Vaduz | - | FC Aarau | 2:2 | ||||
| 12. Jornada | 27.10.2023 | FC Aarau | - | FC Schaffhausen | 1:1 | ||||
| 18. Jornada | 15.12.2023 | Neuchâtel Xamax FCS | - | FC Aarau | 2:1 | ||||
| 20. Jornada | 02.02.2024 | FC Sion | - | FC Aarau | 2:0 | ||||
| 22. Jornada | 16.02.2024 | FC Thun Berner Oberland | - | FC Aarau | 1:0 | |
Serbia