| 20. Ronde | 21.01.2024 | Sestao River | - | Unionistas CF | 0:0 |  |
|||
| 21. Ronde | 27.01.2024 | SD Ponferradina | - | Sestao River | 1:1 | ||||
| 22. Ronde | 04.02.2024 | Sestao River | - | CD Arenteiro | 1:0 | ||||
| 23. Ronde | 11.02.2024 | CF Fuenlabrada | - | Sestao River | 3:1 | ||||
| 24. Ronde | 18.02.2024 | Sestao River | - | Gimnàstic de Tarragona | 1:1 | ||||
| 25. Ronde | 24.02.2024 | Celta de Vigo B | - | Sestao River | 4:0 | |
|||
| 26. Ronde | 03.03.2024 | Sestao River | - | CE Sabadell | 3:0 | ||||
| 27. Ronde | 09.03.2024 | FC Barcelona B | - | Sestao River | 2:1 | |
|||
| 28. Ronde | 16.03.2024 | Sestao River | - | SD Logroñés | 2:0 | ||||
| 29. Ronde | 24.03.2024 | CD Lugo | - | Sestao River | 4:3 | |
|||
| 31. Ronde | 06.04.2024 | Real Sociedad B | - | Sestao River | 2:3 | ||||
| 32. Ronde | 13.04.2024 | Sestao River | - | Real Unión | 3:1 | ||||
| 33. Ronde | 20.04.2024 | CD Teruel | - | Sestao River | 1:0 | ||||
| 34. Ronde | 27.04.2024 | UE Cornellà | - | Sestao River | 1:1 | |
|||
| 36. Ronde | 12.05.2024 | CA Osasuna B | - | Sestao River | 0:1 | ||||
| 37. Ronde | 18.05.2024 | Sestao River | - | SD Tarazona | 1:1 | ||||
| 38. Ronde | 25.05.2024 | Cultural Leonesa | - | Sestao River | 0:1 | |
Spanje