Head to Head
| Chile Cup | 2019/03/24 20:30 | San Marcos De Arica v Cobreloa | L | 3-1 |
| Chile Primera B | 2018/08/05 16:00 | Cobreloa v San Marcos De Arica | W | 4-0 |
| Chile Cup | 2018/07/01 20:00 | San Marcos De Arica v Cobreloa | W | 0-1 |
| Chile Cup | 2018/06/23 20:30 | Cobreloa v San Marcos De Arica | W | 6-0 |
| Chile Primera B | 2018/02/25 21:00 | San Marcos De Arica v Cobreloa | L | 2-1 |
| Chile Primera B | 2017/08/06 20:00 | Cobreloa v San Marcos De Arica | D | 3-3 |
| Chile Primera B | 2017/03/19 20:00 | San Marcos De Arica v Cobreloa | L | 3-0 |
| Chile Primera B | 2016/08/28 19:00 | Cobreloa v San Marcos De Arica | D | 0-0 |
Home History
| Chile Primera B | 2020/02/25 21:00 | Santiago Morning v Cobreloa | W | 0-1 |
| Chile Primera B | 2020/01/12 23:30 | Cobreloa v Deportes Temuco | L | 0-2 |
| Chile Primera B | 2019/10/13 18:00 | Santiago Wanderers v Cobreloa | L | 5-1 |
| Chile Primera B | 2019/10/06 19:00 | Cobreloa v Deportes Valdivia | W | 2-1 |
| Chile Primera B | 2019/09/29 15:30 | Deportes Temuco v Cobreloa | L | 2-1 |
| Chile Primera B | 2019/09/15 19:00 | Cobreloa v Nublense | L | 1-2 |
| Chile Primera B | 2019/09/08 15:30 | Puerto Montt v Cobreloa | D | 1-1 |
| Chile Primera B | 2019/08/31 21:30 | Cobreloa v Melipilla | L | 0-1 |
Away History
| Chile Segunda | 2019/10/19 23:00 | Deportes Vallenar v San Marcos De Arica | L | 2-1 |
| Chile Segunda | 2019/10/13 19:01 | San Marcos De Arica v Colchagua CD | W | 1-0 |
| Chile Segunda | 2019/10/06 19:32 | General Velásquez v San Marcos De Arica | D | 0-0 |
| Chile Segunda | 2019/10/01 00:00 | San Marcos De Arica v Deportes Recoleta | W | 2-0 |
| Chile Segunda | 2019/09/15 19:59 | San Marcos De Arica v Deportes Vallenar | W | 2-0 |
| Chile Segunda | 2019/09/08 19:01 | Iberia v San Marcos De Arica | D | 2-2 |
| Chile Segunda | 2019/09/01 19:34 | San Marcos De Arica v Deportes Vallenar | L | 0-1 |
| Chile Segunda | 2019/08/24 19:32 | Independiente de Cauquenes v San Marcos De Arica | W | 0-1 |