(1) (WC) Juan Martin Del Potro (ARG) vs. Marcos Baghdatis (CYP)
Carlos Berlocq (ARG) vs. (PR) Pablo Cuevas (URU)
Alexandr Dolgopolov (UKR) vs. Daniel Brands (GER)
Victor Hanescu (ROU) vs. (

Janko Tipsarevic (SRB)
(4) Kei Nishikori (JPN) vs. Jurgen Melzer (AUT)
Feliciano Lopez (ESP) vs. (WC) Tatsuma Ito (JPN)
(Q) vs. Horacio Zeballos (ARG)
(Q) vs. (6) Nicolas Almagro (ESP)
(7) Kevin Anderson (RSA) vs. (Q)
(Q) vs. Dmitry Tursunov (RUS)
Michael Llodra (FRA) vs. Jeremy Chardy (FRA)
(WC) Go Soeda (JPN) vs. (3) Milos Raonic (CAN)
(5) Gilles Simon (FRA) vs. Marcel Granollers (ESP)
Jarkko Nieminen (FIN) vs. Juan Monaco (ARG)
(WC) Yuichi Sugita (JPN) vs. Ivan Dodig (CRO)
Gael Monfils (FRA) vs. (2) Jo-Wilfried Tsonga (FRA)