| 2. Round | 31/07/2021 | SC Kriens | - | FC Thun | 1:3 | ||||
| 1. Round | 03/08/2021 | FC Thun | - | Yverdon Sport FC | 3:0 | ||||
| 3. Round | 06/08/2021 | FC Thun | - | FC Aarau | 1:2 | ||||
| 4. Round | 20/08/2021 | FC Winterthur | - | FC Thun | 3:0 | ||||
| 6. Round | 11/09/2021 | FC Wil 1900 | - | FC Thun | 2:2 | ||||
| 5. Round | 14/09/2021 | FC Thun | - | Stade Lausanne-Ouchy | 1:0 | ||||
| 7. Round | 21/09/2021 | FC Schaffhausen | - | FC Thun | 2:1 |  |
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| 8. Round | 25/09/2021 | FC Thun | - | Neuchâtel Xamax FCS | 3:2 | ||||
| 9. Round | 01/10/2021 | FC Vaduz | - | FC Thun | 1:3 | ||||
| 10. Round | 15/10/2021 | FC Thun | - | FC Winterthur | 0:2 |
Switzerland