Copa Sudamericana – First Round (First Leg, II)

12-14 February 2019

River Plate – Santos
Referee: German Delfino (ARG, photo)
Assistant Referee 1: Gabriel Chade (ARG)
Assistant Referee 2: Lucas Germanotta (ARG)
Fourth Official: Dario Herrera (ARG)
Referee Assessor: Patricio Polic (CHI)

Macara – Guabira
Referee: Rodolpho Toski (BRA)
Assistant Referee 1: Marcelo Van Gasse (BRA)
Assistant Referee 2: Fabricio Vilarinho (BRA)
Fourth Official: Wagner Reway (BRA)
Referee Assessor: Wilson Lamouroux (COL)

Fluminense – Antofagasta
Referee: Arnaldo Samaniego (PAR)
Assistant Referee 1: Eduardo Cardozo (PAR)
Assistant Referee 2: Juan Zorrilla (PAR)
Fourth Official: Derlis Lopez (PAR)
Referee Assessor: Ricardo Casas (ARG)

Royal Pari – Monagas
Referee: Cristian Garay (CHI)
Assistant Referee 1: Alejandro Molina (CHI)
Assistant Referee 2: Jose Retamal (CHI)
Fourth Official: Eduardo Gamboa (CHI)
Referee Assessor: Mauricio Espinosa (URU)

Corinthians – Racing Club
Referee: Victor Carrillo (PER)
Assistant Referee 1: Victor Raez (PER)
Assistant Referee 2: Michael Orue (PER)
Fourth Official: Joel Alarcon (PER)
Referee Assessor: Jose Carpio (ECU)