[14] Osasuna B 2-1 Real Unión [12] 2024-04-27 14:00
Stadium: Instalaciones Deportivas de Tajonar Round: 34
Head to Head
| Spain Primera Division RFEF Group 1 | 2023/12/10 11:00 | Real Unión v Osasuna B | W | 2-3 |
| Spain Primera Division RFEF Group 2 | 2023/03/12 17:00 | Osasuna B v Real Unión | W | 4-2 |
| Spain Primera Division RFEF Group 2 | 2022/12/11 16:00 | Real Unión v Osasuna B | L | 1-0 |
| Spain Segunda B Group 2 | 2021/05/09 16:00 | Real Unión v Osasuna B | W | 0-1 |
| Spain Segunda B Group 2 | 2021/04/10 15:00 | Osasuna B v Real Unión | L | 0-2 |
| Spain Segunda B Group 2 | 2020/02/09 16:00 | Real Unión v Osasuna B | D | 1-1 |
| Spain Segunda B Group 2 | 2019/09/21 14:30 | Osasuna B v Real Unión | W | 4-2 |
| Spain Segunda B Group 2 | 2018/03/10 15:30 | Osasuna B v Real Unión | W | 1-0 |
| Spain Segunda B Group 2 | 2017/10/21 14:00 | Real Unión v Osasuna B | W | 1-3 |
| Europe Friendlies | 2017/08/05 17:00 | Real Unión v Osasuna B | W | 1-2 |