In an intense Copa Chile clash, Cobresal hosted Antofagasta at Estadio El Cobre de El Salvador. The match concluded with Antofagasta securing a 1-0 victory. Despite Cobresal's efforts to dominate possession, it was Antofagasta who found the net, sealing their win and advancing in the tournament. The home side, while dangerous at times, could not break through the visitors' defense.