Head to Head
| Spain Segunda B Group 2 | 2020/12/05 14:45 | Real Unión v Arenas Club de Getxo | D | 1-1 |
| Spain Segunda B Group 2 | 2020/02/15 15:00 | Arenas Club de Getxo v Real Unión | D | 0-0 |
| Spain Segunda B Group 2 | 2019/09/28 14:00 | Real Unión v Arenas Club de Getxo | D | 1-1 |
| Spain Segunda B Group 2 | 2019/03/09 17:00 | Arenas Club de Getxo v Real Unión | W | 1-0 |
| Spain Segunda B Group 2 | 2018/10/21 15:00 | Real Unión v Arenas Club de Getxo | D | 1-1 |
| Spain Segunda B Group 2 | 2018/04/14 16:00 | Arenas Club de Getxo v Real Unión | D | 1-1 |
| Spain Segunda B Group 2 | 2017/11/19 16:00 | Real Unión v Arenas Club de Getxo | D | 2-2 |
| Spain Segunda B Group 2 | 2017/04/23 15:00 | Real Unión v Arenas Club de Getxo | D | 0-0 |
Home History
| Spain Segunda B Group 2 | 2021/03/03 17:30 | Leioa v Arenas Club de Getxo | D | 1-1 |
| Spain Segunda B Group 2 | 2021/02/28 16:00 | Real Sociedad B v Arenas Club de Getxo | L | 3-0 |
| Spain Segunda B Group 2 | 2021/02/21 17:00 | Arenas Club de Getxo v Barakaldo | W | 4-1 |
| Spain Segunda B Group 2 | 2021/02/13 17:00 | Laredo v Arenas Club de Getxo | L | 1-0 |
| Spain Segunda B Group 2 | 2021/01/23 14:45 | Arenas Club de Getxo v Alaves B | D | 1-1 |
| Spain Segunda B Group 2 | 2021/01/16 16:00 | Athletic Bilbao B v Arenas Club de Getxo | D | 1-1 |
| Spain Segunda B Group 2 | 2021/01/10 10:30 | Portugalete v Arenas Club de Getxo | W | 0-1 |
| Spain Segunda B Group 2 | 2020/12/20 16:00 | Arenas Club de Getxo v Racing Santander | D | 1-1 |
Away History
| Spain Segunda B Group 2 | 2021/02/27 14:45 | Real Unión v Amorebieta | W | 2-0 |
| Spain Segunda B Group 2 | 2021/02/20 17:30 | Real Unión v Real Sociedad B | W | 3-1 |
| Spain Segunda B Group 2 | 2021/02/13 17:00 | Barakaldo v Real Unión | L | 3-0 |
| Spain Segunda B Group 2 | 2021/02/07 16:00 | Real Unión v Laredo | W | 4-1 |
| Spain Segunda B Group 2 | 2021/01/24 16:00 | Real Unión v Leioa | W | 5-0 |
| Spain Segunda B Group 2 | 2021/01/16 15:00 | Alaves B v Real Unión | W | 0-1 |
| Spain Segunda B Group 2 | 2021/01/13 18:00 | Racing Santander v Real Unión | W | 1-3 |
| Spain Segunda B Group 2 | 2021/01/10 17:00 | Athletic Bilbao B v Real Unión | D | 0-0 |