| 5. Round | 24/09/2023 | SD Tarazona | - | FC Barcelona B | 0:2 | ||||
| 6. Round | 01/10/2023 | FC Barcelona B | - | RC Celta B | 1:1 | ||||
| 9. Round | 22/10/2023 | Sestao River | - | FC Barcelona B | 1:3 | ||||
| 11. Round | 04/11/2023 | Rayo Majadahonda | - | FC Barcelona B | 1:2 |  |
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| 12. Round | 11/11/2023 | FC Barcelona B | - | CE Sabadell | 4:1 | ||||
| 14. Round | 26/11/2023 | UE Cornellà | - | FC Barcelona B | 0:2 | ||||
| 18. Round | 03/01/2024 | FC Barcelona B | - | Unionistas CF | 0:2 | ||||
| 19. Round | 13/01/2024 | CD Arenteiro | - | FC Barcelona B | 2:0 | ||||
| 20. Round | 21/01/2024 | FC Barcelona B | - | Real Sociedad B | 2:1 | ||||
| 21. Round | 27/01/2024 | CF Fuenlabrada | - | FC Barcelona B | 1:2 | ||||
| 22. Round | 04/02/2024 | FC Barcelona B | - | SD Logroñés | 1:1 | ||||
| 23. Round | 11/02/2024 | CE Sabadell | - | FC Barcelona B | 0:1 | ||||
| 24. Round | 18/02/2024 | FC Barcelona B | - | Rayo Majadahonda | 3:1 | ||||
| 25. Round | 25/02/2024 | FC Barcelona B | - | Cultural Leonesa | 4:0 | ||||
| 26. Round | 03/03/2024 | Real Unión | - | FC Barcelona B | 0:0 | ||||
| 27. Round | 09/03/2024 | FC Barcelona B | - | Sestao River | 2:1 | ||||
| 28. Round | 16/03/2024 | CD Teruel | - | FC Barcelona B | 2:4 | ||||
| 30. Round | 31/03/2024 | CA Osasuna B | - | FC Barcelona B | 2:3 |
Spain