Colombia – Argentina
Referee: Roberto Tobar (CHI, photo)
Assistant Referee 1: Christian Schiemann (CHI)
Assistant Referee 2: Claudio Rios (CHI)
Fourth Official: Nicolas Gamboa (CHI)
VAR: Julio Bascunan (CHI)
AVAR: Angelo Hermosilla (CHI)
Ecuador – Peru
Referee: Esteban Ostojich (URU)
Assistant Referee 1: Carlos Barreiro (URU)
Assistant Referee 2: Martin Soppi (URU)
Fourth Official: Christian Ferreyra (URU)
VAR: Andres Cunha (URU)
AVAR: Gery Vargas (BOL)
Chile – Bolivia
Referee: Eber Aquino (PAR)
Assistant Referee 1: Eduardo Cardozo (PAR)
Assistant Referee 2: Jose Cuevas (PAR)
Fourth Official: Jose Mendez (PAR)
VAR: Derlis Lopez (PAR)
AVAR: Milciades Saldivar (PAR)
Paraguay – Brazil
Referee: Patricio Loustau (ARG)
Assistant Referee 1: Ezequiel Brailovsky (ARG)
Assistant Referee 2: Gabriel Chade (ARG)
Fourth Official: Dario Herrera (ARG)
VAR: Mauro Vigliano (ARG)
AVAR: Christian Lescano (ECU)
Venezuela – Uruguay
Referee: Anderson Daronco (BRA)
Assistant Referee 1: Rodrigo Correa (BRA)
Assistant Referee 2: Bruno Boschilia (BRA)
Fourth Official: Flavio Souza (BRA)
VAR: Rafael Traci (BRA)
AVAR: Braulio Machado (BRA)