1. Round | 19/08/2017 | Real Madrid Castilla | - | Rayo Majadahonda | 1:2 | ||||
2. Round | 27/08/2017 | Rayo Majadahonda | - | Real Valladolid B | 6:2 | ||||
3. Round | 03/09/2017 | Rayo Majadahonda | - | Coruxo FC | 1:2 | ||||
4. Round | 10/09/2017 | SD Ponferradina | - | Rayo Majadahonda | 4:0 | ||||
21. Round | 14/01/2018 | Real Valladolid B | - | Rayo Majadahonda | 2:1 | ||||
22. Round | 21/01/2018 | Coruxo FC | - | Rayo Majadahonda | 1:2 | ||||
31. Round | 25/03/2018 | Rayo Majadahonda | - | Atlético Madrid B | 2:0 |