Brazil – Argentina
Referee: Jesus Valenzuela (VEN, photo)
Assistant Referee 1: Lubin Torrealba (VEN)
Assistant Referee 2: Tulio Moreno (VEN)
Fourth Official: Carlos Betancourt (COL)
VAR: John Ospina (COL)
AVAR: John Leon (COL)
Referee Assessor: Roberto Silvera (URU)
VAR Supervisor: Dario Ubriaco (URU)
Ecuador – Chile
Referee: Facundo Tello (ARG)
Assistant Referee 1: Juan Belatti (ARG)
Assistant Referee 2: Diego Bonfa (ARG)
Fourth Official: Dario Herrera (ARG)
VAR: Patricio Loustau (ARG)
AVAR: German Delfino (ARG)
Referee Assessor: Jose Buitrago (COL)
VAR Supervisor: Ednilson Corona (BRA)
Paraguay – Colombia
Referee: Raphael Claus (BRA)
Assistant Referee 1: Marcelo Van Gasse (BRA)
Assistant Referee 2: Bruno Pires (BRA)
Fourth Official: Flavio Souza (BRA)
VAR: Wagner Reway (BRA)
AVAR: Rodrigo Correa (BRA)
Referee Assessor: Roberto Perassi (BRA)
VAR Supervisor: Carlos Astroza (CHI)
Peru – Venezuela
Referee: Guillermo Guerrero (ECU)
Assistant Referee 1: Byron Romero (ECU)
Assistant Referee 2: Ricardo Baren (ECU)
Fourth Official: Luis Quiroz (ECU)
VAR: Carlos Orbe (ECU)
AVAR: Christian Lescano (ECU)
Referee Assessor: Angel Sanchez (ARG)
VAR Supervisor: Rodolfo Otero (ARG)
Uruguay – Bolivia
Referee: Eber Aquino (PAR)
Assistant Referee 1: Eduardo Cardozo (PAR)
Assistant Referee 2: Jose Cuevas (PAR)
Fourth Official: Jose Mendez (PAR)
VAR: Mario Diaz de Vivar (PAR)
AVAR: Rodney Aquino (PAR)
Referee Assessor: Amelio Andino (PAR)
VAR Supervisor: Enrique Caceres (PAR)