6 July 2011 Argentina – Colombia
Referee: Salvio Fagundes (BRA, photo)
Assistant Referee 1: Marcio Santiago (BRA)
Assistant Referee 2: Luis Abadie (PER)
Fourth Official: Victor Rivera (PER)
7 July 2011
Bolivia – Costa Rica
Referee: Carlos Vera (ECU)
Assistant Referee 1: Luis Alvarado (ECU)
Assistant Referee 2: Marvin Torrentera (MEX)
Fourth Official: Francisco Chacon (MEX)
8 July 2011
Uruguay – Chile
Referee: Carlos Amarilla (PAR)
Assistant Referee 1: Nicolas Yegros (PAR)
Assistant Referee 2: Efrain Castro (BOL)
Fourth Official: Raul Orosco (BOL)
Peru – Mexico
Referee: Sergio Pezzotta (ARG)
Assistant Referee 1: Ricardo Casas (ARG)
Assistant Referee 2: Diego Bonfa (ARG)
Fourth Official: Walter Quesada (CRC)
9 July 2011
Brazil – Paraguay
Referee: Wilmar Roldan (COL)
Assistant Referee 1: Humberto Clavijo (COL)
Assistant Referee 2: Francisco Mondria (CHI)
Fourth Official: Enrique Osses (CHI)
Venezuela – Ecuador
Referee: Walter Quesada (CRC)
Assistant Referee 1: Leonel Leal (CRC)
Assistant Referee 2: Miguel Nievas (URU)
Fourth Official: Roberto Silvera (URU)
