2-4 April 2019
Mineiros – Sol de America
Referee: Dario Herrera (ARG, photo)
Assistant Referee 1: Ezequiel Brailovsky (ARG)
Assistant Referee 2: Lucas Germanotta (ARG)
Fourth Official: Fernando Echenique (ARG)
Referee Assessor: Candelario Andarcia (VEN)
Universidad Catolica – Colo Colo
Referee: Wilton Sampaio (BRA)
Assistant Referee 1: Emerson Carvalho (BRA)
Assistant Referee 2: Kleber Gil (BRA)
Fourth Official: Luiz Oliveira (BRA)
Referee Assessor: Wilson Lamouroux (COL)
UTC Cajamarca – Atletico Cerro
Referee: Guillermo Guerrero (ECU)
Assistant Referee 1: Byron Romero (ECU)
Assistant Referee 2: Ricardo Baren (ECU)
Fourth Official: Roddy Zambrano (ECU)
Referee Assessor: Jose Carpio (ECU)
Independiente – Deportivo Binacional
Referee: Raphael Claus (BRA)
Assistant Referee 1: Danilo Manis (BRA)
Assistant Referee 2: Bruno Pires (BRA)
Fourth Official: Wagner Reway (BRA)
Referee Assessor: Roberto Silvera (URU)
Argentinos Juniors – Estudiantes de Merida
Referee: Raul Orosco (BOL)
Assistant Referee 1: Juan Montano (BOL)
Assistant Referee 2: Reluy Vallejos (BOL)
Fourth Official: Jose Jordan (BOL)
Referee Assessor: Patricio Polic (CHI)
Deportivo Cali – Guarani
Referee: Diego Haro (PER)
Assistant Referee 1: Michael Orue (PER)
Assistant Referee 2: Raul Lopez (PER)
Fourth Official: Michael Espinoza (PER)
Referee Assessor: Juan Corozo (ECU)