| 26. Round | 02/03/2025 | Real Sociedad B | - | Athletic Club B | 1:2 | ||||
| 27. Round | 07/03/2025 | Sestao River | - | Real Sociedad B | 0:0 | ||||
| 29. Round | 23/03/2025 | Ourense CF | - | Real Sociedad B | 1:0 | ||||
| 30. Round | 30/03/2025 | Real Sociedad B | - | Barakaldo CF | 2:2 | ||||
| 31. Round | 06/04/2025 | SD Amorebieta | - | Real Sociedad B | 0:1 | ||||
| 32. Round | 13/04/2025 | Real Sociedad B | - | FC Andorra | 2:1 | ||||
| 33. Round | 19/04/2025 | CD Lugo | - | Real Sociedad B | 1:0 | ||||
| 34. Round | 26/04/2025 | Real Sociedad B | - | Unionistas CF | 1:0 |  |
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| 35. Round | 02/05/2025 | Gimnástica Segoviana | - | Real Sociedad B | 0:0 | ||||
| 36. Round | 11/05/2025 | Real Sociedad B | - | SD Ponferradina | 3:2 |  |
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| 37. Round | 17/05/2025 | CD Arenteiro | - | Real Sociedad B | 1:1 | ||||
| 38. Round | 24/05/2025 | Real Sociedad B | - | RC Celta B | 2:0 |
Spain