19 February 2013
Olimpia – Universidad de Chile
Referee: Martin Vazquez (URU, photo)
Assistant Referee 1: Miguel Nievas (URU)
Assistant Referee 2: Carlos Pastorino (URU)
Fourth Official: Julio Quintana (URU)
Referee Observer: Carlos Alarcon (PAR)
Millonarios – Tijuana
Referee: Marlon Escalante (VEN)
Assistant Referee 1: Luis Sanchez (VEN)
Assistant Referee 2: Jorge Urrego (VEN)
Fourth Official: Wilson Lamouroux (COL)
Referee Observer: Otalvaro Polanco (COL)
Toluca – Nacional
Referee: Wilmar Roldan (COL)
Assistant Referee 1: Wilmar Navarro (COL)
Assistant Referee 2: Alexander Guzman (COL)
Fourth Official: Roberto Garcia (MEX)
Referee Observer: Jose Ramirez (MEX)
Penarol – Emelec
Referee: Sandro Ricci (BRA)
Assistant Referee 1: Alessandro Rocha (BRA)
Assistant Referee 2: Emerson Carvalho (BRA)
Fourth Official: Daniel Fedorczuk (URU)
Referee Observer: Ernesto Filippi (URU)
20 February 2013
Huachipato – Caracas
Referee: Raul Orosco (BOL)
Assistant Referee 1: Efrain Castro (BOL)
Assistant Referee 2: Arol Valda (BOL)
Fourth Official: Patricio Polic (CHI)
Referee Observer: Pablo Pozo (CHI)
Velez Sarsfield – Deportes Iquique
Referee: Carlos Amarilla (PAR)
Assistant Referee 1: Milciades Saldivar (PAR)
Assistant Referee 2: Dario Gaona (PAR)
Fourth Official: Mauro Vigliano (ARG)
Referee Observer: Miguel Scime (ARG)
San Jose – Corinthians
Referee: Carlos Vera (ECU)
Assistant Referee 1: Christian Lescano (ECU)
Assistant Referee 2: Byron Romero (ECU)
Fourth Official: Gery Vargas (BOL)
Referee Observer: Marcelo Ortube (BOL)
Fluminense – Gremio
Referee: Paulo Oliveira (BRA)
Assistant Referee 1: Marcio Santiago (BRA)
Assistant Referee 2: Fabricio Vilarinho (BRA)
Fourth Official: Pericles Cortez (BRA)
Referee Observer: Armando Marques (BRA)
21 February 2013
Deportivo Lara – Newell Old Boys
Referee: Ricardo Marques (BRA)
Assistant Referee 1: Altemir Hausmann (BRA)
Assistant Referee 2: Marcelo Van Gasse (BRA)
Fourth Official: Jesus Valenzuela (VEN)
Referee Observer: Adrian Gomes (VEN)
Cerro Porteno – Real Garcilaso
Referee: Patricio Loustau (ARG)
Assistant Referee 1: Ernesto Uziga (ARG)
Assistant Referee 2: Ivan Nunez (ARG)
Fourth Official: Mario Diaz (PAR)
Referee Observer: Ubaldo Aquino (PAR)
Tigre – Libertad
Referee: Roberto Silvera (URU)
Assistant Referee 1: Mauricio Espinosa (URU)
Assistant Referee 2: Marcelo Costa (URU)
Fourth Official: Pablo Diaz (ARG)
Referee Observer: Carlos Coradina (ARG)
Santa Fe – Deportes Tolima
Referee: Adrian Velez (COL)
Assistant Referee 1: Humberto Clavijo (COL)
Assistant Referee 2: Cristian de La Cruz (COL)
Fourth Official: Luis Sanchez (COL)
Referee Observer: Pablo Montova (COL)