| 20. Round | 08/01/2017 | Rayo Majadahonda | - | Sestao River | 1:1 | ||||
| 21. Round | 14/01/2017 | Arenas de Getxo | - | Rayo Majadahonda | 2:2 |  |
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| 22. Round | 22/01/2017 | Rayo Majadahonda | - | UD Logroñés | 1:0 | ||||
| 23. Round | 29/01/2017 | UD SS Reyes | - | Rayo Majadahonda | 4:1 | ||||
| 24. Round | 05/02/2017 | Rayo Majadahonda | - | CDA Navalcarnero | 0:0 | ||||
| 25. Round | 12/02/2017 | CD Mensajero | - | Rayo Majadahonda | 0:0 | |
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| 26. Round | 19/02/2017 | Rayo Majadahonda | - | Real Madrid Castilla | 0:1 | |
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| 27. Round | 25/02/2017 | Real Sociedad B | - | Rayo Majadahonda | 4:0 | |
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| 28. Round | 05/03/2017 | Rayo Majadahonda | - | Real Unión | 2:0 | ||||
| 29. Round | 11/03/2017 | SD Amorebieta | - | Rayo Majadahonda | 1:0 | |
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| 31. Round | 25/03/2017 | SD Leioa | - | Rayo Majadahonda | 1:2 | ||||
| 32. Round | 02/04/2017 | Rayo Majadahonda | - | CF Fuenlabrada | 1:1 | |
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| 33. Round | 09/04/2017 | Albacete | - | Rayo Majadahonda | 0:1 | ||||
| 34. Round | 16/04/2017 | CD Toledo | - | Rayo Majadahonda | 0:1 | |
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| 35. Round | 23/04/2017 | Rayo Majadahonda | - | UD Socuéllamos | 1:0 | ||||
| 37. Round | 07/05/2017 | Rayo Majadahonda | - | Athletic Club B | 1:0 | ||||
| 38. Round | 14/05/2017 | Barakaldo CF | - | Rayo Majadahonda | 1:1 |
Spain