Gremio – Millonarios
Referee: Julio Bascunan (CHI, photo)
Assistant Referee 1: Sergio Roman (CHI)
Assistant Referee 2: Marcelo Barraza (CHI)
Fourth Official: Eduardo Gamboa (CHI)
Referee Observer: Salvio Fagundes (BRA)
31 October 2012
Universidad de Chile – Sao Paulo
Referee: Martin Vazquez (URU)
Assistant Referee 1: Miguel Nievas (URU)
Assistant Referee 2: Marcelo Costa (URU)
Fourth Official: Daniel Fedorczuk (URU)
Referee Observer: Gaston Castro (CHI)
1 November 2012
Cerro Porteno – Tigre
Referee: Jose Buitrago (COL)
Assistant Referee 1: Abraham Gonzalez (COL)
Assistant Referee 2: Alexander Guzman (COL)
Fourth Official: Adrian Velez (COL)
Referee Observer: Cecilio Bejanaro (PAR)
Independiente – Universidad Catolica
Referee: Leandro Vuaden (BRA)
Assistant Referee 1: Emerson Carvalho (BRA)
Assistant Referee 2: Rodrigo Joia (BRA)
Fourth Official: Pericles Cortez (BRA)
Referee Observer: Juan Loustau (ARG)
