Head to Head
| Chile Primera B | 2020/11/03 17:00 | San Marcos De Arica v Cobreloa | W | 3-1 |
| Chile Primera B | 2020/03/01 21:00 | Cobreloa v San Marcos De Arica | L | 3-1 |
| Chile Cup | 2019/03/24 20:30 | San Marcos De Arica v Cobreloa | W | 3-1 |
| Chile Primera B | 2018/08/05 16:00 | Cobreloa v San Marcos De Arica | L | 4-0 |
| Chile Cup | 2018/07/01 20:00 | San Marcos De Arica v Cobreloa | L | 0-1 |
| Chile Cup | 2018/06/23 20:30 | Cobreloa v San Marcos De Arica | L | 6-0 |
| Chile Primera B | 2018/02/25 21:00 | San Marcos De Arica v Cobreloa | W | 2-1 |
| Chile Primera B | 2017/08/06 20:00 | Cobreloa v San Marcos De Arica | D | 3-3 |
Home History
| Chile Primera B | 2021/04/04 15:00 | Magallanes v San Marcos De Arica | W | 1-3 |
| Chile Primera B | 2021/01/17 13:00 | San Marcos De Arica v Nublense | D | 0-0 |
| Chile Primera B | 2021/01/03 20:00 | San Marcos De Arica v Deportes Copiapo | L | 2-3 |
| Chile Primera B | 2020/12/29 17:00 | San Marcos De Arica v Barnechea | W | 1-0 |
| Chile Primera B | 2020/12/22 18:00 | San Marcos De Arica v Puerto Montt | D | 0-0 |
| Chile Primera B | 2020/12/18 17:00 | San Marcos De Arica v Union San Felipe | W | 2-1 |
| Chile Primera B | 2020/12/15 17:00 | San Marcos De Arica v San Luis Quillota | L | 0-2 |
| Chile Primera B | 2020/12/10 18:00 | San Marcos De Arica v Magallanes | W | 1-0 |
Away History
| Chile Primera B | 2021/04/04 15:00 | Cobreloa v Barnechea | L | 1-2 |
| Chile Primera B | 2021/01/17 13:00 | Deportes Temuco v Cobreloa | L | 1-0 |
| Chile Primera B | 2021/01/12 13:00 | Cobreloa v Deportes Copiapo | D | 1-1 |
| Chile Primera B | 2021/01/06 13:00 | Cobreloa v Deportes Valdivia | W | 6-0 |
| Chile Primera B | 2020/12/30 13:00 | Cobreloa v Melipilla | D | 0-0 |
| Chile Primera B | 2020/12/22 21:00 | Magallanes v Cobreloa | D | 1-1 |
| Chile Primera B | 2020/12/18 13:00 | Cobreloa v Puerto Montt | D | 1-1 |
| Chile Primera B | 2020/12/10 13:00 | Club Deportes Santa Cruz v Cobreloa | L | 4-1 |