Face à face
| Segunda B, Relegation Group 2 | 2019/12/06 16:30 | Leioa v Athletic Bilbao B | W | 1-0 |
| Europe - Matchs amicaux | 2019/08/14 17:00 | Leioa v Athletic Bilbao B | D | 2-2 |
| Segunda B, Relegation Group 2 | 2019/02/03 16:00 | Athletic Bilbao B v Leioa | L | 2-1 |
| Segunda B, Relegation Group 2 | 2018/09/15 14:00 | Leioa v Athletic Bilbao B | L | 1-4 |
| Segunda B, Relegation Group 2 | 2018/03/17 17:30 | Athletic Bilbao B v Leioa | L | 1-0 |
| Segunda B, Relegation Group 2 | 2017/10/28 14:00 | Leioa v Athletic Bilbao B | W | 1-0 |
| Segunda B, Relegation Group 2 | 2017/04/22 14:00 | Leioa v Athletic Bilbao B | L | 1-3 |
| Segunda B, Relegation Group 2 | 2016/11/27 11:00 | Athletic Bilbao B v Leioa | D | 2-2 |
Home History
| Copa Federacion | 2020/11/19 11:00 | Las Rozas v Leioa | L | 1-0 |
| Segunda B, Relegation Group 2 | 2020/11/15 10:30 | Portugalete v Leioa | L | 1-0 |
| Copa Federacion | 2020/11/11 18:00 | Leioa v Tropezon | W | 2-1 |
| Segunda B, Relegation Group 2 | 2020/10/25 16:00 | Leioa v Real Unión | L | 0-1 |
| Copa Federacion | 2020/10/22 17:00 | Leioa v UP Langreo | W | 2-0 |
| Segunda B, Relegation Group 2 | 2020/10/18 15:00 | Real Sociedad B v Leioa | L | 1-0 |
| Copa Federacion | 2020/10/10 15:00 | Leioa v Caudal | W | 1-0 |
| Europe - Matchs amicaux | 2020/09/26 15:00 | Leioa v Arenas Club de Getxo | W | 2-1 |
Away History
| Segunda B, Relegation Group 2 | 2020/11/14 14:45 | Athletic Bilbao B v Deportivo Alaves B | W | 2-0 |
| Segunda B, Relegation Group 2 | 2020/11/07 17:00 | Athletic Bilbao B v Amorebieta | W | 2-1 |
| Segunda B, Relegation Group 2 | 2020/11/01 10:30 | Portugalete v Athletic Bilbao B | W | 2-3 |
| Segunda B, Relegation Group 2 | 2020/10/25 11:00 | Athletic Bilbao B v Racing Santander | L | 0-1 |
| Segunda B, Relegation Group 2 | 2020/10/18 16:00 | Arenas Club de Getxo v Athletic Bilbao B | D | 1-1 |
| Segunda B, Barrages d'accession | 2020/07/18 18:00 | Athletic Bilbao B v CD Badajoz | L | 6-7 |
| Segunda B, Relegation Group 2 | 2020/03/07 15:00 | Athletic Bilbao B v Real Unión | D | 3-3 |
| Segunda B, Relegation Group 2 | 2020/02/29 15:30 | Amorebieta v Athletic Bilbao B | L | 2-1 |