Head to Head
| Spania - Primera Division RFEF - Grupa 2 | 2023/01/15 15:00 | Athletic Bilbao B v Real Union | W | 0-1 |
| Spania - Primera Division RFEF - Grupa 1 | 2022/04/16 17:00 | Real Union v Athletic Bilbao B | D | 1-1 |
| Spania - Primera Division RFEF - Grupa 1 | 2021/10/23 15:00 | Athletic Bilbao B v Real Union | D | 0-0 |
| Europa - Amicale | 2021/08/11 16:30 | Real Union v Athletic Bilbao B | L | 0-2 |
| Spania - Segunda B - Grupa 2 | 2021/03/28 10:00 | Real Union v Athletic Bilbao B | L | 0-1 |
| Spania - Segunda B - Grupa 2 | 2021/01/10 17:00 | Athletic Bilbao B v Real Union | D | 0-0 |
| Spania - Segunda B - Grupa 2 | 2020/03/07 15:00 | Athletic Bilbao B v Real Union | D | 3-3 |
| Spania - Segunda B - Grupa 2 | 2019/10/19 14:00 | Real Union v Athletic Bilbao B | L | 0-1 |
Home History
| Spania - Primera Division RFEF - Grupa 2 | 2023/04/16 14:00 | UD Logrones v Real Union | L | 1-0 |
| Spania - Primera Division RFEF - Grupa 2 | 2023/04/09 14:00 | Real Union v Real Murcia | L | 1-5 |
| Spania - Primera Division RFEF - Grupa 2 | 2023/04/02 10:00 | Real Union v Numancia | W | 1-0 |
| Spania - Primera Division RFEF - Grupa 2 | 2023/03/26 16:00 | UE Cornella v Real Union | D | 1-1 |
| Spania - Primera Division RFEF - Grupa 2 | 2023/03/18 18:00 | Real Union v Barcelona B | L | 0-1 |
| Spania - Primera Division RFEF - Grupa 2 | 2023/03/12 17:00 | Osasuna B v Real Union | L | 4-2 |
| Spania - Primera Division RFEF - Grupa 2 | 2023/03/05 11:00 | Real Union v Sabadell | L | 0-1 |
| Spania - Primera Division RFEF - Grupa 2 | 2023/02/26 15:00 | SD Logrones v Real Union | L | 1-0 |
Away History
| Spania - Primera Division RFEF - Grupa 2 | 2023/04/16 10:00 | Athletic Bilbao B v Numancia | L | 0-1 |
| Spania - Primera Division RFEF - Grupa 2 | 2023/04/09 10:00 | La Nucia v Athletic Bilbao B | L | 3-1 |
| Spania - Primera Division RFEF - Grupa 2 | 2023/04/02 10:00 | Athletic Bilbao B v Osasuna B | W | 1-0 |
| Spania - Primera Division RFEF - Grupa 2 | 2023/03/26 10:00 | Atletico Baleares v Athletic Bilbao B | L | 2-0 |
| Spania - Primera Division RFEF - Grupa 2 | 2023/03/18 16:00 | Athletic Bilbao B v Sabadell | D | 2-2 |
| Spania - Primera Division RFEF - Grupa 2 | 2023/03/12 11:00 | SD Logrones v Athletic Bilbao B | D | 1-1 |
| Spania - Primera Division RFEF - Grupa 2 | 2023/03/05 15:00 | Athletic Bilbao B v CD Calahorra | L | 2-3 |
| Spania - Primera Division RFEF - Grupa 2 | 2023/02/26 17:00 | Real Sociedad B v Athletic Bilbao B | D | 0-0 |