| 1. Round | 20/08/2017 | Sporting Gijón B | - | SD Gernika | 1:0 | ||||
| 2. Round | 27/08/2017 | CD Mirandés | - | Sporting Gijón B | 1:0 | ||||
| 3. Round | 03/09/2017 | SD Leioa | - | Sporting Gijón B | 1:2 | ||||
| 4. Round | 10/09/2017 | Sporting Gijón B | - | Racing Santander | 3:1 | ||||
| 5. Round | 17/09/2017 | Peña Sport FC | - | Sporting Gijón B | 1:6 | ||||
| 6. Round | 24/09/2017 | Sporting Gijón B | - | CD Izarra | 3:1 | ||||
| 7. Round | 01/10/2017 | Athletic Club B | - | Sporting Gijón B | 1:1 | ||||
| 8. Round | 08/10/2017 | Sporting Gijón B | - | CD Vitoria | 1:0 | ||||
| 10. Round | 22/10/2017 | Sporting Gijón B | - | SD Amorebieta | 1:1 |  |
|||
| 11. Round | 29/10/2017 | Burgos CF | - | Sporting Gijón B | 1:1 | ||||
| 23. Round | 28/01/2018 | Racing Santander | - | Sporting Gijón B | 1:2 | |
|||
| 24. Round | 04/02/2018 | Sporting Gijón B | - | Peña Sport FC | 1:1 | ||||
| 25. Round | 11/02/2018 | CD Izarra | - | Sporting Gijón B | 1:0 | ||||
| 30. Round | 18/03/2018 | Sporting Gijón B | - | Burgos CF | 3:1 | ||||
| 32. Round | 31/03/2018 | Sporting Gijón B | - | CD Lealtad | 1:1 |
Spain