| 22. Round | 05/02/2023 | UD SS Reyes | - | San Fernando CD | 1:0 | ||||
| 23. Round | 12/02/2023 | San Fernando CD | - | CD Badajoz | 2:1 | ||||
| 24. Round | 19/02/2023 | RB Linense | - | San Fernando CD | 1:2 | ||||
| 25. Round | 25/02/2023 | San Fernando CD | - | Real Madrid Castilla | 3:2 | ||||
| 26. Round | 04/03/2023 | RC Celta B | - | San Fernando CD | 2:2 |  |
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| 27. Round | 12/03/2023 | San Fernando CD | - | Unionistas CF | 1:2 | ||||
| 28. Round | 19/03/2023 | AD Ceuta FC | - | San Fernando CD | 2:2 | |
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| 29. Round | 25/03/2023 | San Fernando CD | - | CF Talavera | 5:1 | |
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| 31. Round | 09/04/2023 | San Fernando CD | - | Cultural Leonesa | 1:1 | ||||
| 32. Round | 16/04/2023 | Algeciras CF | - | San Fernando CD | 0:1 | ||||
| 33. Round | 23/04/2023 | San Fernando CD | - | Pontevedra CF | 4:2 | ||||
| 34. Round | 30/04/2023 | CF Fuenlabrada | - | San Fernando CD | 2:1 | ||||
| 35. Round | 07/05/2023 | San Fernando CD | - | Rayo Majadahonda | 0:0 | ||||
| 36. Round | 14/05/2023 | Córdoba CF | - | San Fernando CD | 1:1 | |
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| 37. Round | 20/05/2023 | San Fernando CD | - | AD Alcorcón | 0:2 | ||||
| 38. Round | 27/05/2023 | Linares Deportivo | - | San Fernando CD | 1:1 |
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