Section I
(1) Novak Djokovic vs. Radek Stepanek
Gilles Simon vs. Robin Haase
(17) Mikhail Youzhny vs. Jimmy Wang
Sam Querrey vs. Jo-Wilfred Tsonga (14)
Section II
(12) Ernests Gulbis vs. Sergiy Stakhovsky
Jeremy Chardy vs. Marinko Matosevic
(26) Marin Cilic vs. Andreas Haider-Maurer
Bernard Tomic vs. Tomas Berdych (6)
Section III
(3) Andy Murray vs. Blaz Rola
Jan Hernych vs. Roberto Bautista Agut (27)
(20) Kevin Anderson vs. Edouard Roger-Va**elin
(Q) Tim Puetz vs. Fabio Fognini (16)
Section IV
(11) Grigor Dimitrov vs. Luke Saville (Q)
Benjamin Becker vs. Alexandr Dolgopolov (21)
Leonardo Mayer vs. Marcos Baghdatis (WC)
Andrey Kuznetsov vs. David Ferrer (7)
Section V
(5) Stan Wawrinka vs. Yen-hsun Lu
Julian Reister vs. Denis Istomin
(19) Feliciano Lopez vs. Ante Pavic (Q)
Jarkko Nieminen vs. John Isner (9)
Section VI
(15) Jerzy Janowicz vs. Lleyton Hewitt
Adrian Mannarino vs. Tommy Robredo (23)
(30) Marcel Granollers vs. Santiago Giraldo
(Q) Gilles Muller vs. Roger Federer (4)
Section VII
(8) Milos Raonic vs. Jack Sock
Lukasz Kubot vs. Dusan Lajovic
(22) Philipp Kohlschreiber vs. Simone Bolelli (LL)
(Q) Denis Kudla vs. Kei Nishikori (10)
Section VIII
(13) Richard Gasquet vs. Nick Kyrgios (WC)
(WC) Jiri Vesely vs. Gael Monfils (24)
(LL) Frank Dancevic vs. Mikhail Kukushkin
Lukas Rosol vs. Rafael Nadal (2)