| 1. Round | 03/09/2023 | Rayo Cantabria | - | Ourense CF | 1:1 | ||||
| 5. Round | 01/10/2023 | Rayo Cantabria | - | Real Valladolid B | 4:0 |  |
|||
| 12. Round | 19/11/2023 | Real Avilés | - | Rayo Cantabria | 1:2 | ||||
| 14. Round | 03/12/2023 | Rayo Cantabria | - | Marino de Luanco | 2:0 | ||||
| 15. Round | 10/12/2023 | Arandina CF | - | Rayo Cantabria | 1:1 | ||||
| 16. Round | 17/12/2023 | Rayo Cantabria | - | CD Covadonga | 0:0 |
Spain