| 1. Round | 06/08/2023 | Servette FC U21 | - | FC Rapperswil-Jona | 1:1 | ||||
| 2. Round | 12/08/2023 | FC Rapperswil-Jona | - | SC Brühl | 0:3 dec. |  |
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| 4. Round | 26/08/2023 | FC Rapperswil-Jona | - | FC Biel/Bienne | 3:3 | |
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| 3. Round | 30/08/2023 | FC Lugano II | - | FC Rapperswil-Jona | 0:1 | ||||
| 5. Round | 02/09/2023 | FC Basel 1893 II | - | FC Rapperswil-Jona | 3:2 | ||||
| 6. Round | 09/09/2023 | FC Rapperswil-Jona | - | FC Breitenrain Bern | 1:1 | ||||
| 7. Round | 20/09/2023 | FC Luzern II | - | FC Rapperswil-Jona | 1:2 | |
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| 10. Round | 07/10/2023 | SC Kriens | - | FC Rapperswil-Jona | 2:5 | ||||
| 11. Round | 14/10/2023 | FC Rapperswil-Jona | - | FC St. Gallen II | 4:1 | ||||
| 12. Round | 18/10/2023 | FC Paradiso | - | FC Rapperswil-Jona | 1:2 | |
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| 13. Round | 21/10/2023 | FC Rapperswil-Jona | - | FC Bulle | 1:0 | ||||
| 14. Round | 28/10/2023 | FC Bavois | - | FC Rapperswil-Jona | 0:2 | ||||
| 15. Round | 05/11/2023 | FC Rapperswil-Jona | - | SC Cham | 3:0 | ||||
| 17. Round | 18/11/2023 | FC Rapperswil-Jona | - | SR Delémont | 3:0 | |
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| 18. Round | 25/11/2023 | FC Rapperswil-Jona | - | Servette FC U21 | 2:1 |
Switzerland
Congo DR