| 1. Round | 03/09/2023 | Real Sociedad C | - | CD Valle de Egüés | 1:0 | ||||
| 2. Round | 10/09/2023 | CD Alavés B | - | Real Sociedad C | 1:0 | ||||
| 4. Round | 23/09/2023 | UD Mutilvera | - | Real Sociedad C | 0:0 | ||||
| 7. Round | 14/10/2023 | Real Sociedad C | - | Barakaldo CF | 0:1 | ||||
| 8. Round | 22/10/2023 | CD Calahorra | - | Real Sociedad C | 0:2 | ||||
| 11. Round | 12/11/2023 | Utebo FC | - | Real Sociedad C | 3:1 | ||||
| 12. Round | 18/11/2023 | Real Sociedad C | - | SD Gernika | 2:0 | ||||
| 14. Round | 03/12/2023 | Real Sociedad C | - | UD Logroñés | 2:0 | ||||
| 17. Round | 07/01/2024 | CD Izarra | - | Real Sociedad C | 0:0 | ||||
| 20. Round | 28/01/2024 | Real Zaragoza B | - | Real Sociedad C | 3:1 | ||||
| 24. Round | 25/02/2024 | Barakaldo CF | - | Real Sociedad C | 5:0 | ||||
| 26. Round | 10/03/2024 | CD Tudelano | - | Real Sociedad C | 0:0 | ||||
| 27. Round | 17/03/2024 | Real Sociedad C | - | Náxara CD | 1:0 | ||||
| 28. Round | 23/03/2024 | Real Sociedad C | - | Utebo FC | 0:0 |
Spain