31 July – 16 August 2018Junior – Lanus
Referee: Wilton Sampaio (BRA, photo)
Assistant Referee 1: Kleber Gil (BRA)
Assistant Referee 2: Alessandro Rocha (BRA)
Fourth Official: Luis Oliveira (BRA)
Referee Assessor: Carlos Herrera (ECU)
Sport Huancayo – Caracas
Referee: Nicolás Gallo (COL)
Assistant Referee 1: Eduardo Díaz (COL)
Assistant Referee 2: John León (COL)
Fourth Official: Carlos Herrera (COL)
Referee Assessor: Paulo Silva (ARG)
El Nacional – Defensa y Justicia
Referee: Eber Aquino (PAR)
Assistant Referee 1: Eduardo Cardozo (PAR)
Assistant Referee 2: Milciades Saldívar (PAR)
Fourth Official: José Méndez (PAR)
Referee Assessor: Claudio Puga (CHI)
Jorge Wilstermann – Deportivo Cuenca
Referee: Alexis Herrera (VEN)
Assistant Referee 1: Carlos López (VEN)
Assistant Referee 2: Luis Murillo (VEN)
Fourth Official: Marlon Escalante (VEN)
Referee Assessor: César Escano (PER)
Santa Fe – Rampla Juniors
Referee: Diego Haro (PER)
Assistant Referee 1: Jonny Bossio (PER)
Assistant Referee 2: Víctor Raez (PER)
Fourth Official: Luis Garay (PER)
Referee Assessor: Saúl Laverni (ARG)
Banfield – Boston River
Referee: Víctor Carrillo (PER)
Assistant Referee 1: Coty Carrera (PER)
Assistant Referee 2: Michael Orue (PER)
Fourth Official: Miguel Santiváñez (PER)
Referee Assessor: José Buitrago (COL)
Bolívar – Deportivo Cali
Referee: Ulises Mereles (PAR)
Assistant Referee 1: Juan Zorrilla (PAR)
Assistant Referee 2: Carlos Cáceres (PAR)
Fourth Official: Arnaldo Samaniego (PAR)
Referee Assessor: Juan Cardellino (URU)
Penarol –Atletico Paranaense
Referee: Mauro Vigliano (ARG)
Assistant Referee 1: Julio Fernandez (ARG)
Assistant Referee 2: Lucas Germanotta (ARG)
Fourth Official: Fernando Echenique (ARG)
Referee Assessor: Imer Machado (COL)
Atletico Cerro – Bahia
Referee: Jose Argote (VEN)
Assistant Referee 1: Jorge Urrego (VEN)
Assistant Referee 2: Lubin Torrealba (VEN)
Fourth Official: Jesus Valenzuela (VEN)
Referee Assessor: Ricardo Casas (ARG)
Vasco da Gama – LDU Quito
Referee: Mario Diaz de Vivar (PAR)
Assistant Referee 1: Juan Zorrilla (PAR)
Assistant Referee 2: Roberto Canete (PAR)
Fourth Official: Jose Mendez (PAR)
Referee Assessor: Robero Silvera (PAR)
Nacional – Sol de America
Referee: Roddy Zambrano (ECU)
Assistant Referee 1: Christian Lescano (ECU)
Assistant Referee 2: Flavio Nall (ECU)
Fourth Official: Guillermo Guerrero (ECU)
Referee Assessor: Jose Buitrago (COL)
Deportes Temuco – San Lorenzo
Referee: Carlos Orbe (ECU)
Assistant Referee 1: Byron Romero (ECU)
Assistant Referee 2: Ricardo Baren (ECU)
Fourth Official: Roberto Sanchez (ECU)
Referee Assessor: Cesar Escano (PER)
Millonarios – General Diaz
Referee: Julio Bascunan (CHI)
Assistant Referee 1: Christian Schiemann (CHI)
Assistant Referee 2: Raul Orellana (CHI)
Fourth Official: Piero Maza (CHI)
Referee Assessor: Roberto Silvera (URU)
Botafogo – Nacional
Referee: Patricio Loustau (ARG)
Assistant Referee 1: Diego Bonfa (ARG)
Assistant Referee 2: Maximiliano Del Yesso (ARG)
Fourth Official: Jorge Balino (ARG)
Referee Assessor: Carlos Herrera (ECU)
Colon – Sao Paulo
Referee: Enrique Caceres (PAR)
Assistant Referee 1: Eduardo Cardozo (PAR)
Assistant Referee 2: Carlos Caceres (PAR)
Fourth Official: Ulises Mereles (PAR)
Referee Assessor: Juan Cardellino (URU)
Defensor Sporting – Fluminense
Referee: Roberto Tobar (CHI)
Assistant Referee 1: Carlos Astroza (CHI)
Assistant Referee 2: Jose Retamal (CHI)
Fourth Official: Cesar Deischler (CHI)
Referee Assessor: Manuel Bernal (PAR)