| 21. Ronde | 09.02.2020 | FC Aarau | - | FC Vaduz | 1:2 | ||||
| 22. Ronde | 16.02.2020 | FC Lausanne-Sport | - | FC Aarau | 1:0 | ||||
| 24. Ronde | 19.06.2020 | Grasshopper Club Zürich | - | FC Aarau | 5:0 | ||||
| 25. Ronde | 23.06.2020 | FC Aarau | - | FC Wil 1900 | 4:1 |  |
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| 26. Ronde | 26.06.2020 | FC Chiasso | - | FC Aarau | 1:3 | ||||
| 27. Ronde | 30.06.2020 | FC Winterthur | - | FC Aarau | 5:2 |  |
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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 | ||||
| 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 |
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