6 September 2011
Estudiantes – Arsenal
Referee: Pablo Lunati (ARG, photo)
Assistant Referee 1: Ricardo Casas (ARG)
Assistant Referee 2: Ernesto Uziga (ARG)
Fourth Official: Saul Laverni (ARG)
7 September 2011
Godoy Cruz – Lanus
Referee: Nestor Pitana (ARG)
Assistant Referee 1: Juan Belatti (ARG)
Assistant Referee 2: Gustavo Rossi (ARG)
Fourth Official: Diego Abal (ARG)
8 September 2011
Velez – Argentinos Juniors
Referee: Sergio Pezzotta (ARG)
Assistant Referee 1: Hernan Maidana (ARG)
Assistant Referee 2: Diego Bonfa (ARG)
Fourth Official: Gabriel Favale (ARG)
Universidad Catolica – Deportes Iquique
Referee: Julio Bascunan (CHI)
Assistant Referee 1: Carlos Astroza (CHI)
Assistant Referee 2: Marcelo Barraza (CHI)
Fourth Official: Claudio Puga (CHI)