Head to Head
| Spain Tercera Group 4 | 2019/10/20 09:30 | Portugalete v Lagun Onak | L | 3-1 |
| Spain Tercera Group 4 | 2019/04/13 15:00 | Lagun Onak v Portugalete | L | 1-2 |
| Spain Tercera Group 4 | 2018/11/24 16:00 | Portugalete v Lagun Onak | L | 2-0 |
| Spain Tercera Group 4 | 2018/05/12 15:00 | Lagun Onak v Portugalete | L | 0-4 |
| Spain Tercera Group 4 | 2017/12/23 16:30 | Portugalete v Lagun Onak | D | 1-1 |
Home History
| Spain Tercera Group 4 | 2021/10/03 09:00 | Santutxu v Lagun Onak | L | 2-0 |
| Spain Tercera Group 4 | 2021/09/25 15:00 | Lagun Onak v SD Deusto | W | 1-0 |
| Spain Tercera Group 4 | 2021/09/18 15:00 | Lagun Onak v Barakaldo | L | 2-3 |
| Spain Tercera Group 4 | 2021/09/15 17:30 | CD Vitoria v Lagun Onak | D | 0-0 |
| Spain Tercera Group 4 | 2021/09/11 16:00 | Lagun Onak v Amurrio | D | 0-0 |
| Spain Tercera Group 4 | 2021/09/04 15:00 | Pasaia KE v Lagun Onak | D | 1-1 |
| Spain Tercera Group 4 | 2021/06/12 16:00 | Lagun Onak v Aurrera Ondarroa | L | 2-3 |
| Spain Tercera Group 4 | 2021/06/05 15:00 | Balmaseda FC v Lagun Onak | L | 2-0 |
Away History
| Spain Tercera Group 4 | 2021/10/03 09:30 | Portugalete v Uritarra | L | 0-1 |
| Spain Tercera Group 4 | 2021/09/26 10:00 | San Ignacio v Portugalete | W | 2-3 |
| Spain Tercera Group 4 | 2021/09/19 15:00 | Portugalete v Tolosa | W | 6-0 |
| Spain Tercera Group 4 | 2021/09/15 17:30 | Leioa v Portugalete | D | 1-1 |
| Spain Tercera Group 4 | 2021/09/11 15:00 | Portugalete v Urduliz FT | W | 2-1 |
| Spain Tercera Group 4 | 2021/09/04 15:00 | CD Anaitasuna v Portugalete | L | 2-0 |
| Spain Segunda B Group 2 | 2021/05/22 16:00 | Portugalete v Mutilvera | D | 1-1 |
| Spain Segunda B Group 2 | 2021/05/16 10:00 | Ejea v Portugalete | W | 1-2 |