Rafael Nadal (1) (ESP) v Robby Ginepri (USA)
Paul-Henri Mathieu (FRA) v Dominic Thiem (AUT)
James Duckworth (AUS) v Leonardo Mayer (ARG)
Teymuraz Gabashvili (RUS) v Vasek Pospisil (30) (CAN)
Nicolas Almagro (21) (ESP) v Jack Sock (USA)
Steve Johnson (USA) v Laurent Lokoli (FRA)
Dusan Lajovic (SRB) v Federico Delbonis (ARG)
Jurgen Zopp (EST) v Tommy Haas (16) (GER)
Grigor Dimitrov (11) (BUL) v Ivo Karlovic (CRO)
Andreas Haider-Maurer (AUT) v Daniel Brands (GER)
Axel Michon (FRA) v Bradley Klahn (USA)
Stephane Robert (FRA) v Kevin Anderson (19) (RSA)
Andreas Seppi (32) (ITA) v Santiago Giraldo (COL)
Juan Monaco (ARG) v Lucas Pouille (FRA)
Simone Bolelli (ITA) v Andrea Arnaboldi (ITA)
Igor Sijsling (NED) v David Ferrer (5) (ESP)