CSD Antofagasta produced a dominant performance to defeat Cobreloa 3-0 in the Chilean Liga de Ascenso on August 11, 2025. The comprehensive victory at the Estadio Regional de Antofagasta showcased the home side's superiority from start to finish. Antofagasta took the lead in the first half through a well-worked set piece and never looked back. They doubled their advantage shortly after the restart, capitalizing on a defensive mistake from the visitors. The scoring was completed with a third goal in the final twenty minutes, putting a definitive stamp on the match. This result was a crucial one for Antofagasta's promotion hopes, providing a significant boost to their goal difference and league position. For Cobreloa, the heavy defeat was a setback in their own aspirations, highlighting areas needing improvement. The clean sheet and commanding display will give Antofagasta great confidence for the challenges ahead in the second division.