[16] San Marcos De Arica 2-1 Cobresal [3] 2018-08-26 19:00
Weather: Sunny Stadium: Estadio Carlos Dittborn Pitch: Regular Round: 21
Head to Head
| Chile Primera B | 2018/02/11 21:00 | Cobresal v San Marcos De Arica | L | 2-1 |
| Chile Primera B | 2017/08/27 20:00 | San Marcos De Arica v Cobresal | W | 3-0 |
| Chile Clausura | 2016/01/25 01:00 | Cobresal v San Marcos De Arica | D | 0-0 |
| Chile Apertura | 2015/08/09 01:00 | San Marcos De Arica v Cobresal | L | 1-2 |
| Chile Clausura | 2015/02/08 01:00 | San Marcos De Arica v Cobresal | D | 1-1 |
| Chile Cup | 2014/10/12 01:00 | San Marcos De Arica v Cobresal | W | 5-4 |
| Chile Cup | 2014/10/08 18:30 | Cobresal v San Marcos De Arica | D | 1-1 |
| Chile Apertura | 2014/08/24 20:00 | Cobresal v San Marcos De Arica | D | 0-0 |