Head to Head
| Chile - Primera Division | 2024/03/12 00:30 | Union La Calera v Cobreloa | W | 0-2 |
| Chile - Primera B | 2017/11/13 23:00 | Union La Calera v Cobreloa | L | 3-0 |
| Chile - Primera B | 2017/02/05 20:00 | Cobreloa v Union La Calera | W | 5-1 |
| Chile - Primera B | 2016/11/20 21:00 | Union La Calera v Cobreloa | D | 0-0 |
| Chile - Clausura | 2015/02/08 21:15 | Union La Calera v Cobreloa | D | 0-0 |
| Chile - Apertura | 2014/08/24 20:00 | Cobreloa v Union La Calera | D | 1-1 |