Copa Libertadores – Semi-finals (First Leg)

13 June 2012
Santos – Corinthians
Referee: Marcelo De Lima Henrique (BRA, photo)
Assistant Referee 1: Dibert Moises (BRA)
Assistant Referee 2: Roberto Braatz (BRA)
Fourth Official: Pericles Cortez (BRA)

14 June 2012
Boca Juniors – Universidad de Chile
Referee: Wilmar Roldan (COL)
Assistant Referee 1: Abraham Gonzalez (COL)
Assistant Referee 2: Eduardo Diaz (COL)
Fourth Official: Imer Machado (COL)