Head to Head
| Spain Tercera Group 4 | 2018/05/12 15:00 | Lagun Onak v Portugalete | W | 0-4 |
| Spain Tercera Group 4 | 2017/12/23 16:30 | Portugalete v Lagun Onak | D | 1-1 |
Home History
| Spain Tercera Group 4 | 2018/11/17 16:00 | SD Beasain v Portugalete | W | 0-1 |
| Spain Tercera Group 4 | 2018/11/11 10:30 | Portugalete v Alaves B | W | 1-0 |
| Spain Tercera Group 4 | 2018/11/03 18:30 | Real Sociedad C v Portugalete | L | 3-1 |
| Spain Tercera Group 4 | 2018/10/28 10:30 | Portugalete v Balmaseda FC | W | 1-0 |
| Spain Tercera Group 4 | 2018/10/20 15:00 | Zamudio v Portugalete | W | 0-4 |
| Spain Tercera Group 4 | 2018/10/12 09:30 | Portugalete v SD San Pedro | W | 2-0 |
| Spain Tercera Group 4 | 2018/10/06 15:45 | Sodupe v Portugalete | W | 0-3 |
| Spain Copa Federacion | 2018/10/03 18:00 | Arenas Club de Getxo v Portugalete | L | 1-0 |
Away History
| Spain Tercera Group 4 | 2018/11/17 16:00 | Lagun Onak v Sestao River | L | 0-1 |
| Spain Tercera Group 4 | 2018/11/11 17:00 | JD Somorrostro v Lagun Onak | L | 1-0 |
| Spain Tercera Group 4 | 2018/11/01 17:00 | Lagun Onak v SD Deusto | D | 1-1 |
| Spain Tercera Group 4 | 2018/10/27 15:00 | Lagun Onak v Santurtzi | D | 0-0 |
| Spain Tercera Group 4 | 2018/10/20 15:00 | SD Beasain v Lagun Onak | L | 4-1 |
| Spain Tercera Group 4 | 2018/10/13 15:00 | Lagun Onak v Alaves B | D | 1-1 |
| Spain Tercera Group 4 | 2018/10/06 17:00 | Real Sociedad C v Lagun Onak | W | 0-1 |
| Spain Tercera Group 4 | 2018/09/29 15:00 | Lagun Onak v Balmaseda FC | L | 1-2 |