Copa Sudamericana 2011 – Round 9

28 September 2011
Liga de Quito – Independiente 

Referee: Liber Prudente (URU, photo)
Assistant Referee 1: William Casavieja (URU)
Assistant Referee 2: Carlos Changala (URU)
Fourth Official: Alfredo Intriago (ECU)

29 September 2011
Olimpia – Arsenal
Referee: Paulo Oliveira (BRA)
Assistant Referee 1: Emerson Carvalho (BRA)
Assistant Referee 2: Dibert Pedrosa (BRA)
Fourth Official: Julio Quintana (PAR)

Botafogo – Independiente Santa Fe
Referee: Enrique Osses (CHI)
Assistant Referee 1: Francisco Mondria (CHI)
Assistant Referee 2: Carlos Astroza (CHI)
Fourth Official: Marcelo Henrique (BRA)

Godoy Cruz – Universitario
Referee: Antonio Arias (PAR)
Assistant Referee 1: Rodney Aquino (PAR)
Assistant Referee 2: Dario Gaona (PAR)
Fourth Official: Juan Pompei (ARG)