7 February 2019
Argentina – Uruguay
Referee: Arnaldo Samaniego (PAR, photo)
Assistant Referee 1: Roberto Canete (PAR)
Assistant Referee 2: Claudio Urrutia (CHI)
Fourth Official: Diego Haro (PER)
Referee Assessor: Claudio Puga (CHI)
Ecuador – Brazil
Referee: Ivo Mendez (BOL)
Assistant Referee 1: Jose Antelo (BOL)
Assistant Referee 2: Edwar Saavedra (BOL)
Fourth Official: Joel Alarcon (PER)
Referee Assessor: Oscar Ruiz (COL)
Venezuela – Colombia
Referee: Mario Diaz De Vivar (PAR)
Assistant Referee 1: Dario Gaona (PAR)
Assistant Referee 2: Alejandro Molina (CHI)
Fourth Official: Cristian Garay (CHI)
Referee Assessor: Hector Baldassi (ARG)