30 April 2013 Tijuana – Palmeiras
Assistant Referee 1: Mauricio Espinosa (URU)
Assistant Referee 2: Marcelo Costa (URU)
Fourth Official: Fernando Falce (URU)
Referee Observer: Raymundo Sanchez (MEX)
Tigre – Olimpia
Referee: Omar Ponce (ECU)
Assistant Referee 1: Carlos Herrera (ECU)
Assistant Referee 2: Douglas Bustamante (ECU)
Fourth Official: Luis Espinel (ECU)
Referee Observer: Carlos Coradina (ARG)
1 May 2013
Gremio – Santa Fe
Referee: Patricio Loustau (ARG)
Assistant Referee 1: Diego Bonfa (ARG)
Assistant Referee 2: Ivan Nunez (ARG)
Fourth Official: Mauro Vigliano (ARG)
Referee Observer: Jose Mocelin (BRA)
Boca Juniors – Corinthians
Referee: Enrique Osses (CHI)
Assistant Referee 1: Carlos Astroza (CHI)
Assistant Referee 2: Sergio Roman (CHI)
Fourth Official: Jorge Osorio (CHI)
Referee Observer: Juan Loustau (ARG)
2 May 2013
Sao Paulo – Atletico Mineiro
Referee: Antonio Arias (PAR)
Assistant Referee 1: Carlos Caceres (PAR)
Assistant Referee 2: Dario Gaona (PAR)
Fourth Official: Julio Quintana (PAR)
Referee Observer: Antonio Pereira (BRA)
Emelec – Fluminense
Referee: Wilmar Roldan (COL)
Assistant Referee 1: Eduardo Diaz (COL)
Assistant Referee 2: Wilson Berrio (COL)
Fourth Official: Imer Machado (COL)
Referee Observer: Rogger Zambrano (ECU)
