[1] Athletic Bilbao B 0-0 Real Unión [7] 2021-01-10 17:00
Stadium: Instalaciones de Lezama Round: 11
Head to Head
| Spain Segunda B Group 2 | 2020/03/07 15:00 | Athletic Bilbao B v Real Unión | D | 3-3 |
| Spain Segunda B Group 2 | 2019/10/19 14:00 | Real Unión v Athletic Bilbao B | W | 0-1 |
| Spain Segunda B Group 2 | 2019/05/12 16:00 | Athletic Bilbao B v Real Unión | W | 2-0 |
| Spain Segunda B Group 2 | 2018/12/22 15:30 | Real Unión v Athletic Bilbao B | L | 1-0 |
| Spain Segunda B Group 2 | 2018/01/20 15:00 | Real Unión v Athletic Bilbao B | L | 1-0 |
| Spain Segunda B Group 2 | 2017/09/02 14:00 | Athletic Bilbao B v Real Unión | W | 4-0 |
| Spain Segunda B Group 2 | 2017/04/02 09:30 | Athletic Bilbao B v Real Unión | L | 1-2 |
| Spain Segunda B Group 2 | 2016/11/05 15:00 | Real Unión v Athletic Bilbao B | L | 3-1 |
Home History
| Spain Segunda B Group 2 | 2021/01/03 17:00 | Athletic Bilbao B v Barakaldo | W | 3-0 |
| Spain Segunda B Group 2 | 2020/12/19 14:45 | Real Sociedad B v Athletic Bilbao B | W | 1-2 |
| Spain Segunda B Group 2 | 2020/12/05 17:30 | Laredo v Athletic Bilbao B | D | 2-2 |
| Spain Segunda B Group 2 | 2020/11/22 16:00 | Leioa v Athletic Bilbao B | D | 1-1 |
| Spain Segunda B Group 2 | 2020/11/14 14:45 | Athletic Bilbao B v Alaves B | W | 2-0 |
| Spain Segunda B Group 2 | 2020/11/07 17:00 | Athletic Bilbao B v Amorebieta | W | 2-1 |
| Spain Segunda B Group 2 | 2020/11/01 10:30 | Portugalete v Athletic Bilbao B | W | 2-3 |
| Spain Segunda B Group 2 | 2020/10/25 11:00 | Athletic Bilbao B v Racing Santander | L | 0-1 |
Away History
| Spain Segunda B Group 2 | 2020/12/20 16:00 | Real Unión v Portugalete | W | 2-1 |
| 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 | 2020/11/28 14:45 | Amorebieta v Real Unión | L | 1-0 |
| Spain Segunda B Group 2 | 2020/11/22 11:00 | Real Sociedad B v Real Unión | W | 0-1 |
| Spain Segunda B Group 2 | 2020/11/18 16:00 | Real Unión v Alaves B | L | 1-2 |
| Spain Segunda B Group 2 | 2020/11/15 16:00 | Real Unión v Barakaldo | W | 2-1 |
| Spain Segunda B Group 2 | 2020/11/08 17:00 | Laredo v Real Unión | L | 1-0 |
| Spain Segunda B Group 2 | 2020/10/25 16:00 | Leioa v Real Unión | W | 0-1 |