[12] Valladolid B 0-2 Real Unión [5] 2021-04-30 12:00
Stadium: Anexos al Estadio José Zorrilla Round: 2
Head to Head
| Spain Segunda B Group 2 | 2020/02/29 15:15 | Valladolid Promesas v Real Unión | W | 1-0 |
| Spain Segunda B Group 2 | 2019/10/12 15:00 | Real Unión v Valladolid Promesas | L | 2-1 |
Home History
| Spain Segunda B Group 1 | 2021/04/25 09:30 | Valladolid Promesas v Celta Fortuna | L | 0-5 |
| Spain Segunda B Group 1 | 2021/04/17 14:00 | Unionistas de Salamanca CF v Valladolid Promesas | L | 3-1 |
| Spain Segunda B Group 1 | 2021/04/11 09:30 | Valladolid Promesas v Zamora CF | W | 2-1 |
| Spain Segunda B Group 1 | 2021/04/03 14:00 | Celta Fortuna v Valladolid Promesas | W | 1-3 |
| Spain Segunda B Group 1 | 2021/03/21 16:00 | Sporting Gijon B v Valladolid Promesas | W | 0-2 |
| Spain Segunda B Group 1 | 2021/03/14 11:00 | Valladolid Promesas v Real Oviedo B | W | 1-0 |
| Spain Segunda B Group 1 | 2021/03/06 15:00 | Lealtad v Valladolid Promesas | D | 1-1 |
| Spain Segunda B Group 1 | 2021/02/21 11:00 | Valladolid Promesas v Numancia | D | 1-1 |
Away History
| Spain Segunda B Group 2 | 2021/04/18 16:00 | Real Unión v CD Ebro | W | 3-0 |
| Spain Segunda B Group 2 | 2021/04/10 15:00 | Osasuna B v Real Unión | W | 0-2 |
| Spain Segunda B Group 2 | 2021/04/07 16:00 | Real Unión v SD Tarazona | W | 1-0 |
| Spain Segunda B Group 2 | 2021/03/28 10:00 | Real Unión v Athletic Bilbao B | L | 0-1 |
| Spain Segunda B Group 2 | 2021/03/21 10:30 | Portugalete v Real Unión | L | 2-0 |
| Spain Segunda B Group 2 | 2021/03/13 14:45 | Real Unión v Racing Santander | L | 0-2 |
| Spain Segunda B Group 2 | 2021/03/07 17:00 | Arenas Club de Getxo v Real Unión | D | 0-0 |
| Spain Segunda B Group 2 | 2021/02/27 14:45 | Real Unión v Amorebieta | W | 2-0 |