16-18 April 2019
Zulia – Nacional Potosi
Referee: Juan Benitez (PAR, photo)
Assistant Referee 1: Eduardo Cardozo (PAR)
Assistant Referee 2: Carlos Caceres (PAR)
Fourth Official: Ulises Mereles (PAR)
Referee Assessor: Jose Buitrago (COL)
La Equidad – Independiente
Referee: Angel Arteaga (VEN)
Assistant Referee 1: Lubin Torrealba (VEN)
Assistant Referee 2: Alberto Ponte (VEN)
Fourth Official: Orlando Bracamonte (VEN)
Referee Assessor: Cesar Escano (PER)
Colon – Deportivo Municipal
Referee: Luis Quiroz (ECU)
Assistant Referee 1: Edwin Bravo (ECU)
Assistant Referee 2: Flavio Nall (ECU)
Fourth Official: Guillermo Guerrero (ECU)
Referee Assessor: Carlos Pastorino (URU)
Independiente del Valle – Union
Referee: Cristian Garay (CHI)
Assistant Referee 1: Jose Retamal (CHI)
Assistant Referee 2: Alejandro Molina (CHI)
Fourth Official: Felipe Gonzalez (CHI)
Referee Assessor: Freddy Arellanos (PER)
Oriente Petrolero – Rio Negro
Referee: Joel Alarcon (PER)
Assistant Referee 1: Michael Orue (PER)
Assistant Referee 2: Stephen Atoche (PER)
Fourth Official: Luis Garay (PER)
Referee Assessor: Claudio Puga (CHI)
Mushuc Runa – Union Espanola
Referee: Ivo Mendez (BOL)
Assistant Referee 1: Ariel Guizada (BOL)
Assistant Referee 2: Reluy Vallejos (BOL)
Fourth Official: Juan Garcia (BOL)
Referee Assessor: Ubaldo Aquino (PAR)
Sport Huancayo – Montevideo Wanderers
Referee: Nicolas Gallo (COL)
Assistant Referee 1: Sebastian Vela (COL)
Assistant Referee 2: John Gallego (COL)
Fourth Official: Carlo Herrera (COL)
Referee Assessor: Juan Corozo (ECU)