2 August 2011 Bella Vista – Universidad Catolica
Referee: Pedro Vuaden (BRA, photo)
Assistant Referee 1: Altemir Hausmann (BRA)
Assistant Referee 2: Carlos Berkenbrock (BRA)
Fourth Official: Liber Prudente (URU)
Universidad Vallejo – Independiente Santa Fe
Referee: Alfredo Intriago (ECU)
Assistant Referee 1: Byron Romero (ECU)
Assistant Referee 2: Douglas Bustamante (ECU)
Fourth Official: Henry Gambetta (PER)
3 August 2011
Deportivo Quito – Deportivo Anzoategui
Referee: Imer Machado ( COL )
Assistant Referee 1: Rafael Rivas ( COL )
Assistant Referee 2: Wilmar Navarro ( COL )
Fourth Official: Diego Lara (ECU)
San Jose – Nacional
Referee: Omar Ponce (ECU)
Assistant Referee 1: Juan Cedeno (ECU)
Assistant Referee 2: Carlos Herrera (ECU)
Fourth Official: Peter Guerrero (BOL)
4 August 2011
Olimpia – The Strongest
Referee: Martin Vazquez (URU)
Assistant Referee 1: Miguel Nievas (URU)
Assistant Referee 2: Carlos Changala (URU)
Fourth Official: Enrique Caceres (PAR)
Yaracuyanos – LDU Quito
Referee: Georges Buckley (PER)
Assistant Referee 1: Luis Avila (PER)
Assistant Referee 2: Manuel Yupanqui (PER)
Fourth Official: Manuel Andarcia (VEN)