Copa Libertadores – Round of 16 (First Leg)

28 April 2015
Universitario de Sucre – Tigres
Referee: Patricio Loustau (ARG, photo)
Assistant Referee 1 Hernán Maidana (ARG)
Assistant Referee 2 Gustavo Rossi (ARG)
Fourth Official: Pablo Diaz (ARG)
Referee Observer: Oscar Ortube (BOL)

5 May 2015
Estudiantes – Santa Fe
Referee: Antonio Arias (PAR)
Assistant Referee 1: Carlos Cáceres (PAR)
Assistant Referee 2: Juan Zorrilla (PAR)
Fourth Official: Mario Diaz de Vivar (PAR)
Referee Observer: Luis Bongianino (ARG)

6 May 2015
Guaraní – Corinthians
Referee: Daniel Fedorczuk (URU)
Assistant Referee 1: Nicolás Taran (URU)
Assistant Referee 2: Richard Trinidad (URU)
Fourth Official: Jonhatan Fuentes (URU)
Referee Observer: Manuel Bernal (PAR)

Sao Paulo – Cruzeiro
Referee: Carlos Amarilla (PAR)
Assistant Referee 1: Eduardo Cardozo (PAR)
Assistant Referee 2: Milciades Saldovar (PAR)
Fourth Official: Ulises Mereles (PAR)
Referee Observer: Nilson Moncao (BRA)

Atlético Mineiro – Internacional
Referee: Wilmar Roldán (COL)
Assistant Referee 1: Wilmar Navarro (COL)
Assistant Referee 2: Christian De la Cruz (COL)
Fourth Official: Imer Machado (COL)
Referee Observer: Alicio Peña (BRA)

7 May 2015
Wanderers – Racing
Referee: Pericles Cortez (BRA)
Assistant Referee 1: Emerson Carvalho (BRA)
Assistant Referee 2: Alessandro Rocha (BRA)
Fourth Official: Anderson Daronco (BRA)
Referee Observer: Juan Cardellino (URU)

River Plate – Boca Juniors
Referee: Germán Delfino (ARG)
Assistant Referee 1: Ernesto Uziga (ARG)
Assistant Referee 2: Gustavo Rossi (ARG)
Fourth Official: Fernando Rapallini (ARG)
Referee Observer: Luis Pasturenzi (ARG)

Emelec – Atlético Nacional
Referee: Ricardo Marques (BRA)
Assistant Referee 1: Kleber Gil (BRA)
Assistant Referee 2: Bruno Boschilia (BRA)
Fourth Official: Raphael Claus (BRA)
Referee Observer: Juan Corozo (ECU)