| 1. Round | 25/08/2013 | Peña Sport FC | - | Athletic Club B | 2:3 |  |
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| 2. Round | 31/08/2013 | Athletic Club B | - | CD Laudio | 2:2 | ||||
| 21. Round | 12/01/2014 | CD Laudio | - | Athletic Club B | 2:4 | ||||
| 22. Round | 18/01/2014 | Athletic Club B | - | UB Conquense | 1:0 | ||||
| 23. Round | 26/01/2014 | SD Huesca | - | Athletic Club B | 3:0 | ||||
| 25. Round | 08/02/2014 | Sestao River | - | Athletic Club B | 1:0 | ||||
| 26. Round | 15/02/2014 | Athletic Club B | - | Atlético Madrid B | 1:0 | ||||
| 27. Round | 23/02/2014 | Real Madrid C | - | Athletic Club B | 1:0 | ||||
| 28. Round | 02/03/2014 | Athletic Club B | - | Getafe CF B | 2:1 | ||||
| 29. Round | 09/03/2014 | CD Tudelano | - | Athletic Club B | 1:2 | ||||
| 31. Round | 22/03/2014 | CD Toledo | - | Athletic Club B | 0:0 | |
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| 33. Round | 05/04/2014 | Barakaldo CF | - | Athletic Club B | 0:1 | |
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| 34. Round | 12/04/2014 | Real Unión | - | Athletic Club B | 1:0 | ||||
| 35. Round | 19/04/2014 | Athletic Club B | - | SD Amorebieta | 5:0 | ||||
| 36. Round | 27/04/2014 | CF Fuenlabrada | - | Athletic Club B | 1:0 | ||||
| 37. Round | 03/05/2014 | Athletic Club B | - | CD Puerta Bonita | 4:0 | ||||
| 38. Round | 11/05/2014 | CD Leganés | - | Athletic Club B | 1:0 | |
Spain