Lanús secured a hard-fought 1-0 victory over San Lorenzo in a tempestuous Liga Profesional Argentina encounter at the Estadio Ciudad de Lanús. The match was characterized by a physical battle, with numerous yellow cards issued to both sides throughout the ninety minutes, including bookings for San Lorenzo's E. Herrera and F. Lorenzon, and Lanús's R. Carrera and A. Medina. Despite the midfield intensity, the deadlock was finally broken in the 65th minute when Y. Valois found the back of the net for Lanús, a crucial strike assisted by D. Aquino. The goal proved to be the decisive moment, as both teams made multiple substitutions in an attempt to alter the game's complexion, but San Lorenzo were unable to find an equalizer, ultimately succumbing to Lanús's solitary, match-winning effort.