26 May 2015
Tigres – Emelec
Referee: Enrique Caceres (PAR, photo)
Assistant Referee 1: Milciades Saldivar (PAR)
Assistant Referee 2: Dario Gaona (PAR)
Fourth Official: Ulises Mereles (PAR)
Referee Observer: Edgardo Codesal (MEX)
27 May 2015
Internacional – Santa Fe
Referee: Victor Carrillo (PER)
Assistant Referee 1: Johnny Bossio (PER)
Assistant Referee 2: Victor Raez (PER)
Fourth Official: Diego Haro (PER)
Referee Observer: Wilson Seneme (BRA)
27 May 2015
Cruzeiro – River Plate
Referee: Wilmar Roldán (COL)
Assistant Referee 1: Wilson Berrio (COL)
Assistant Referee 2: Alexander Guzman (COL)
Fourth Official: Imer Machado (COL)
Referee Observer: Alicio Pena (BRA)
28 May 2015
Racing – Guarani
Referee: Andres Cunha (URU)
Assistant Referee 1: Mauricio Espinosa (URU)
Assistant Referee 2: Carlos Pastorino (URU)
Fourth Official: Fernando Falce (URU)
Referee Observer: Abel Gnecco (ARG)