| 9. Round | 21/10/2018 | Sporting Gijón B | - | Racing Santander | 3:1 | ||||
| 10. Round | 27/10/2018 | Racing Santander | - | CD Calahorra | 5:0 | ||||
| 11. Round | 04/11/2018 | Real Unión | - | Racing Santander | 0:3 | ||||
| 12. Round | 11/11/2018 | Racing Santander | - | Athletic Club B | 3:1 | ||||
| 13. Round | 18/11/2018 | CD Tudelano | - | Racing Santander | 1:1 |  |
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| 15. Round | 01/12/2018 | SD Amorebieta | - | Racing Santander | 1:3 | ||||
| 16. Round | 09/12/2018 | Racing Santander | - | SD Leioa | 2:0 | ||||
| 17. Round | 16/12/2018 | SD Gernika | - | Racing Santander | 0:0 | ||||
| 19. Round | 05/01/2019 | UD Logroñés | - | Racing Santander | 1:0 |
Spain