| 4. Ronde | 08.08.2019 | FC Chiasso | - | FC Aarau | 4:2 | ||||
| 14. Ronde | 10.11.2019 | FC Aarau | - | FC Vaduz | 2:2 | ||||
| 19. Ronde | 25.01.2020 | Stade Lausanne-Ouchy | - | FC Aarau | 0:2 | ||||
| 20. Ronde | 02.02.2020 | FC Aarau | - | FC Schaffhausen | 1:2 |  |
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| 21. Ronde | 09.02.2020 | FC Aarau | - | FC Vaduz | 1:2 | ||||
| 22. Ronde | 16.02.2020 | FC Lausanne-Sport | - | FC Aarau | 1:0 | ||||
| 23. Ronde | 23.02.2020 | FC Aarau | - | SC Kriens | 4:4 | ||||
| 24. Ronde | 19.06.2020 | Grasshopper Club Zürich | - | FC Aarau | 5:0 | ||||
| 25. Ronde | 23.06.2020 | FC Aarau | - | FC Wil 1900 | 4:1 | ||||
| 26. Ronde | 26.06.2020 | FC Chiasso | - | FC Aarau | 1:3 | |
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| 27. Ronde | 30.06.2020 | FC Winterthur | - | FC Aarau | 5:2 | ||||
| 28. Ronde | 03.07.2020 | FC Aarau | - | FC Lausanne-Sport | 5:4 | |
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| 29. Ronde | 08.07.2020 | SC Kriens | - | FC Aarau | 4:1 | ||||
| 30. Ronde | 11.07.2020 | FC Aarau | - | FC Winterthur | 2:3 | |
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| 31. Ronde | 14.07.2020 | FC Vaduz | - | FC Aarau | 1:1 | ||||
| 32. Ronde | 18.07.2020 | FC Aarau | - | Stade Lausanne-Ouchy | 1:3 | ||||
| 33. Ronde | 21.07.2020 | FC Aarau | - | FC Chiasso | 2:2 | ||||
| 35. Ronde | 30.07.2020 | FC Aarau | - | Grasshopper Club Zürich | 2:2 | |
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| 36. Ronde | 02.08.2020 | FC Schaffhausen | - | FC Aarau | 2:4 |
Kosovo