| 5. Round | 03/09/2023 | FC Coffrane | - | FC Sion II | 3:1 |  |
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| 6. Round | 10/09/2023 | FC Sion II | - | FC Echallens | 5:1 | ||||
| 8. Round | 23/09/2023 | FC Sion II | - | FC Lausanne-Sport [U21] | 0:0 | ||||
| 9. Round | 30/09/2023 | FC Monthey | - | FC Sion II | 2:2 | ||||
| 10. Round | 07/10/2023 | FC Sion II | - | Pully Football | 4:0 | ||||
| 11. Round | 14/10/2023 | Vevey-Sports | - | FC Sion II | 0:0 | ||||
| 12. Round | 28/10/2023 | FC Sion II | - | Yverdon Sport FC II | 4:1 | |
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| 14. Round | 11/11/2023 | FC La Chaux-de-Fonds | - | FC Sion II | 6:0 |  |
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| 13. Round | 21/02/2024 | FC Sion II | - | FC Meyrin | 2:1 | ||||
| 17. Round | 24/02/2024 | FC Grand-Saconnex | - | FC Sion II | 0:0 | ||||
| 18. Round | 02/03/2024 | FC Sion II | - | CS Chênois | 1:1 | ||||
| 20. Round | 16/03/2024 | FC Sion II | - | FC Coffrane | 7:0 | ||||
| 23. Round | 06/04/2024 | FC Lausanne-Sport [U21] | - | FC Sion II | 1:3 | ||||
| 24. Round | 13/04/2024 | FC Sion II | - | FC Monthey | 0:1 | |
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| 26. Round | 28/04/2024 | FC Sion II | - | Vevey-Sports | 0:2 |
Switzerland