21. Round | 14/01/2017 | Real Madrid Castilla | - | Real Unión | 1:2 | ||||
22. Round | 21/01/2017 | Real Unión | - | Real Sociedad B | 2:2 | ||||
23. Round | 29/01/2017 | Albacete | - | Real Unión | 2:0 | ||||
24. Round | 04/02/2017 | SD Amorebieta | - | Real Unión | 3:1 | ||||
25. Round | 12/02/2017 | Real Unión | - | SD Gernika | 2:2 | ||||
26. Round | 19/02/2017 | SD Leioa | - | Real Unión | 2:0 | ||||
31. Round | 26/03/2017 | Real Unión | - | SD Zamudio | 2:1 | ||||
32. Round | 02/04/2017 | Athletic Bilbao B | - | Real Unión | 1:2 | ||||
36. Round | 30/04/2017 | UD Logroñés | - | Real Unión | 1:0 | ||||
37. Round | 07/05/2017 | Real Unión | - | UD SS Reyes | 1:1 |