| 1. Round | 17/02/2019 | Unión Española | - | Colo-Colo | 1:3 | ||||
| 11. Round | 05/05/2019 | Coquimbo Unido | - | Unión Española | 2:0 | ||||
| 13. Round | 17/05/2019 | Unión La Calera | - | Unión Española | 1:2 |
| 1. Round | 17/02/2019 | Unión Española | - | Colo-Colo | 1:3 | ||||
| 11. Round | 05/05/2019 | Coquimbo Unido | - | Unión Española | 2:0 | ||||
| 13. Round | 17/05/2019 | Unión La Calera | - | Unión Española | 1:2 |
| Mauro Jesús Maureira Maureira | |
| Born: | 01.06.2001 |
| Place of birth: |
Mendoza, 
Argentina |
| Nationality: |
Chile
Argentina |
| Height: | 170 cm |
| Weight: | 74 kg |
| Position(s): | Central Midfielder Right Back |
| Foot: | right |