| 1. Round | 01/11/2023 | SD Gernika | - | Unionistas CF | 0:2 | ||||
| 2. Round | 06/12/2023 | Unionistas CF | - | Sporting Gijón | 2:0 | ||||
| 3. Round | 07/01/2024 | Unionistas CF | - | Villarreal CF | 7:6 pso | ||||
| Round of 16 | 18/01/2024 | Unionistas CF | - | FC Barcelona | 1:3 |  |
| 1. Round | 01/11/2023 | SD Gernika | - | Unionistas CF | 0:2 | ||||
| 2. Round | 06/12/2023 | Unionistas CF | - | Sporting Gijón | 2:0 | ||||
| 3. Round | 07/01/2024 | Unionistas CF | - | Villarreal CF | 7:6 pso | ||||
| Round of 16 | 18/01/2024 | Unionistas CF | - | FC Barcelona | 1:3 | |
| Carlos Giménez Bachiller | |
| Born: | 18.02.2003 |
| Place of birth: |
Sedaví, 
Spain |
| Nationality: |
Spain
|
| Height: | 180 cm |
| Position(s): | Right Back Centre Back |
| Foot: | right |