| 3. Jornada | 12.09.2021 | CyD Leonesa | - | Bilbao Athletic | 2:1 | ||||
| 4. Jornada | 17.09.2021 | Bilbao Athletic | - | Unionistas CF | 0:1 | ||||
| 6. Jornada | 03.10.2021 | CD Tudelano | - | Bilbao Athletic | 2:2 | ||||
| 7. Jornada | 08.10.2021 | Bilbao Athletic | - | Celta B | 0:1 | ||||
| 8. Jornada | 17.10.2021 | Valladolid B | - | Bilbao Athletic | 3:1 | ||||
| 10. Jornada | 31.10.2021 | SD Logroñés | - | Bilbao Athletic | 1:1 | ||||
| 11. Jornada | 07.11.2021 | Bilbao Athletic | - | Rayo Majadahonda | 1:1 | ||||
| 12. Jornada | 12.11.2021 | Real Racing | - | Bilbao Athletic | 2:0 | ||||
| 13. Jornada | 21.11.2021 | Bilbao Athletic | - | CF Talavera | 0:1 | ||||
| 38. Jornada | 27.05.2022 | UD SS Reyes | - | Bilbao Athletic | 2:0 |  |
España