| 23. Round | 11/02/2023 | Real Sociedad B | - | Real Unión | 2:0 | ||||
| 24. Round | 18/02/2023 | Real Unión | - | CD Calahorra | 1:0 |  |
|||
| 25. Round | 26/02/2023 | SD Logroñés | - | Real Unión | 1:0 | ||||
| 26. Round | 05/03/2023 | Real Unión | - | CE Sabadell | 0:1 | ||||
| 27. Round | 12/03/2023 | CA Osasuna B | - | Real Unión | 4:2 |
| Shinichi Chan Chun Yat | |
| Born: | 05.09.2002 |
| Place of birth: |
Tokyo, 
Japan |
| Nationality: |
Hong Kong
Japan |
| Height: | 184 cm |
| Position(s): | Left Back Left Winger |
| Foot: | left |
