Head to Head
| Spain Segunda B Group 2 | 2021/02/13 17:00 | Barakaldo v Real Unión | L | 3-0 |
| Spain Segunda B Group 2 | 2020/11/15 16:00 | Real Unión v Barakaldo | W | 2-1 |
| Spain Segunda B Group 2 | 2019/12/08 16:00 | Barakaldo v Real Unión | L | 2-1 |
| Spain Segunda B Group 2 | 2019/04/07 15:00 | Barakaldo v Real Unión | L | 3-1 |
| Spain Segunda B Group 2 | 2018/11/17 15:00 | Real Unión v Barakaldo | L | 1-2 |
| Spain Segunda B Group 2 | 2018/02/04 16:00 | Real Unión v Barakaldo | D | 1-1 |
| Spain Segunda B Group 2 | 2017/09/17 16:00 | Barakaldo v Real Unión | L | 2-0 |
| Spain Segunda B Group 2 | 2017/04/09 15:00 | Real Unión v Barakaldo | D | 2-2 |
Home History
| Europe Friendlies | 2024/08/10 09:00 | UD Logrones v Real Unión | D | 2-2 |
| Europe Friendlies | 2024/07/31 17:00 | Real Unión v AC Ajaccio | D | 1-1 |
| Europe Friendlies | 2024/07/27 14:00 | Barrow v Real Unión | D | 2-2 |
| Europe Friendlies | 2024/07/20 09:30 | Eibar v Real Unión | D | 1-1 |
| Spain Primera Division RFEF Group 1 | 2024/05/25 17:00 | Deportivo La Coruna v Real Unión | L | 3-1 |
| Spain Primera Division RFEF Group 1 | 2024/05/18 17:00 | Real Unión v Fuenlabrada | W | 2-1 |
| Spain Primera Division RFEF Group 1 | 2024/05/12 10:00 | Ponferradina v Real Unión | L | 2-1 |
| Spain Primera Division RFEF Group 1 | 2024/05/04 17:00 | Real Unión v Cultural Leonesa | D | 0-0 |
Away History
| Europe Friendlies | 2024/08/11 17:00 | Barakaldo v Gernika | W | 3-2 |
| Europe Friendlies | 2024/08/07 17:30 | Athletic Bilbao B v Barakaldo | W | 1-2 |
| Europe Friendlies | 2024/08/03 17:00 | Gimnastica de Torrelavega v Barakaldo | W | 0-1 |
| Europe Friendlies | 2024/07/28 17:00 | Barakaldo v Mirandes | D | 1-1 |
| Europe Friendlies | 2024/07/24 16:00 | Eibar v Barakaldo | L | 3-0 |
| Spain Segunda Division RFEF Play-Offs | 2024/06/01 16:30 | Barakaldo v Orihuela | W | 2-0 |
| Spain Segunda Division RFEF Play-Offs | 2024/05/26 17:30 | Orihuela v Barakaldo | L | 3-1 |
| Spain Segunda Division RFEF Play-Offs | 2024/05/18 16:00 | Barakaldo v CD Atletico Paso | W | 1-0 |