| 1. Round | 02/12/2021 | CD Guijuelo | - | Rayo Vallecano | 3:4 pso | ||||
| 2. Round | 15/12/2021 | Bergantiños FC | - | Rayo Vallecano | 1:3 | ||||
| Quarter-finals | 02/02/2022 | Rayo Vallecano | - | RCD Mallorca | 1:0 |
| 1. Round | 02/12/2021 | CD Guijuelo | - | Rayo Vallecano | 3:4 pso | ||||
| 2. Round | 15/12/2021 | Bergantiños FC | - | Rayo Vallecano | 1:3 | ||||
| Quarter-finals | 02/02/2022 | Rayo Vallecano | - | RCD Mallorca | 1:0 |
| Unai López Cabrera | |
| Born: | 30.10.1995 |
| Place of birth: |
San Sebastián, 
Spain |
| Nationality: |
Spain
|
| Height: | 170 cm |
| Weight: | 69 kg |
| Position(s): | Central Midfielder Offensive Midfielder |
| Foot: | right |