All countries
| 12. Round | Real Sociedad | Rayo Vallecano | details | 08.11.2026 16:15 | |||
| 11. Round | Rayo Vallecano | Celta Vigo | 3:0 (1:0, 2:0) | details | 31.10.2026 | |||
| 1/64-finals | Recreativo Huelva | Rayo Vallecano | 2:3 AET (1:1, 0:0, 1:2) | details | 27.10.2026 | |||
| 10. Round | Rayo Vallecano | Elche | 0:3 (0:2, 0:1) | details | 24.10.2026 | |||
| 9. Round | Getafe | Rayo Vallecano | 1:1 (0:1, 1:0) | details | 19.10.2026 | |||
| 7. Round | Osasuna | Rayo Vallecano | 1:1 (1:0, 0:1) | details | 19.09.2026 | |||
| 12. Round | Real Sociedad | Rayo Vallecano | details | 08.11.2026 16:15 | |||
| 13. Round | Rayo Vallecano | Valencia | details | 21.11.2026 16:15 | |||
| 14. Round | Betis | Rayo Vallecano | details | 29.11.2026 17:00 | |||
| 15. Round | Rayo Vallecano | Levante | details | 06.12.2026 17:00 | |||