| 1. Round | 24/07/2017 | FC Schaffhausen | - | FC Rapperswil-Jona | 6:0 | ||||
| 4. Round | 09/08/2017 | FC Chiasso | - | FC Rapperswil-Jona | 1:0 | ||||
| 5. Round | 19/08/2017 | FC Rapperswil-Jona | - | FC Wohlen | 3:2 |  |
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| 6. Round | 28/08/2017 | Neuchâtel Xamax FCS | - | FC Rapperswil-Jona | 2:0 | ||||
| 7. Round | 09/09/2017 | FC Vaduz | - | FC Rapperswil-Jona | 2:2 | |
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| 8. Round | 20/09/2017 | FC Rapperswil-Jona | - | FC Wil 1900 | 0:0 |  |
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| 10. Round | 30/09/2017 | FC Rapperswil-Jona | - | FC Schaffhausen | 5:0 | ||||
| 12. Round | 21/10/2017 | Servette FC | - | FC Rapperswil-Jona | 2:1 | |
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| 13. Round | 28/10/2017 | FC Rapperswil-Jona | - | FC Chiasso | 1:1 | ||||
| 14. Round | 06/11/2017 | FC Wohlen | - | FC Rapperswil-Jona | 1:2 | ||||
| 15. Round | 18/11/2017 | FC Rapperswil-Jona | - | Neuchâtel Xamax FCS | 2:2 | ||||
| 16. Round | 24/11/2017 | FC Rapperswil-Jona | - | FC Vaduz | 2:0 | |
Spain