| Primera RFEF Grupo 1 | Matches | W | D | L |  |
 |
 |
| home | 1 | 1 | - | - | 1 | - | - |
| away | 2 | 1 | 1 | - | 6 | - | - |
| overall | 3 | 2 | 1 | - | 7 | - | - |
| Primera RFEF Grupo 2 | Matches | W | D | L | |
|
|
| home | - | - | - | - | - | - | - |
| away | 1 | 1 | - | - | 3 | - | 1 |
| overall | 1 | 1 | - | - | 3 | - | 1 |
| Segunda B Grupo 2 | Matches | W | D | L | |
|
|
| home | 3 | 2 | 1 | - | 10 | - | - |
| away | 3 | 1 | - | 2 | 10 | 1 | - |
| overall | 6 | 3 | 1 | 2 | 20 | 1 | - |
| Primera RFEF Grupo 1 | Home | - | Guest | |
|
|
Results |
| 21/11/21 | SD Logroñés | - | Real Unión | 3 | - | - | 0:2 |
| 05/11/23 | Real Unión | - | Deportivo La Coruña | 1 | - | - | 3:0 |
| 22/03/25 | Cultural Leonesa | - | Real Unión | 3 | - | - | 1:1 |
| Primera RFEF Grupo 2 | Home | - | Guest | |
|
|
Results |
| 15/01/23 | Athletic Club B | - | Real Unión | 3 | - | 1 | 0:1 |
| Segunda B Grupo 2 | Home | - | Guest | |
|
|
Results |
| 08/09/13 | CD Laudio | - | Real Unión | 3 | 1 | - | 1:2 |
| 25/04/15 | Rayo Vallecano B | - | Real Unión | 3 | - | - | 2:0 |
| 16/10/16 | Real Unión | - | Rayo Majadahonda | 4 | - | - | 2:0 |
| 19/02/17 | SD Leioa | - | Real Unión | 4 | - | - | 2:0 |
| 01/09/19 | Real Unión | - | Cultural Leonesa | 4 | - | - | 1:1 |
| 27/02/21 | Real Unión | - | SD Amorebieta | 2 | - | - | 2:0 |
Spain