| 2. Round | 03/09/2023 | Sestao River | - | SD Ponferradina | 0:1 | ||||
| 3. Round | 10/09/2023 | SD Logroñés | - | Sestao River | 3:0 | ||||
| 4. Round | 17/09/2023 | Sestao River | - | Real Sociedad B | 0:0 | ||||
| 5. Round | 23/09/2023 | Sestao River | - | Cultural Leonesa | 0:0 | ||||
| 6. Round | 01/10/2023 | CE Sabadell | - | Sestao River | 3:0 | ||||
| 7. Round | 07/10/2023 | Sestao River | - | UE Cornellà | 1:1 | ||||
| 9. Round | 22/10/2023 | Sestao River | - | FC Barcelona B | 1:3 | ||||
| 10. Round | 29/10/2023 | SD Tarazona | - | Sestao River | 3:0 |  |
|||
| 12. Round | 12/11/2023 | Gimnàstic de Tarragona | - | Sestao River | 0:0 |
Spain