Novak Djokovic (1) (SRB) v Philipp Kohlschreiber (DEU)
Jarkko Nieminen (FIN) v Lleyton Hewitt (AUS)
Pierre-Hugues Herbert (FRA) v Hyeon Chung (KOR)
Jan-Lennard Struff (DEU) v Bernard Tomic (27) (AUS)
Leonardo Mayer (24) (ARG)Thanasi Kokkinakis (AUS)
Janko Tipsarevic (SRB) v Marcel Granollers (ESP)
Marsel Ilhan (TUR) v Jerzy Janowicz (POL)
Lucas Pouille (FRA) v Kevin Anderson (14) (ZAF)
Marin Cilic (9) (HRV) v Hiroki Moriya (JPN)
Andreas Haider-Maurer (AUT) v Ricardas Berankis (LTU)
Matthew Ebden (AUS) v Blaz Rola (SVN)
Go Soeda (JPN)John Isner (17) (USA)
Pablo Cuevas (28) (URY) v Denis Kudla (USA)
Teymuraz Gabashvili (RUS) v Alexander Zverev (DEU)
Joao Souza (BRA) v Santiago Giraldo (COL)
Simone Bolelli (ITA) v Kei Nishikori (5) (JPN)
Stan Wawrinka (4) (SUI) v Joao Sousa (PRT)
Victor Estrella Burgos (DOM) v Benjamin Becker (DEU)
Martin Klizan (SVK) v Fernando Verdasco (ESP)
Dudi Sela (ISR) v Dominic Thiem (32) (AUT)
Tommy Robredo (19) (ESP) v John Millman (AUS)
Donald Young (USA) v Marcos Baghdatis (CYP)
Liam Broady (GBR) v Marinko Matosevic (AUS)
Horacio Zeballos (ARG) v David Goffin (16) (BEL)
Grigor Dimitrov (11) (BGR) v Federico Delbonis (ARG)
Lukas Lacko (SVK) v Steve Johnson (USA)
Kenny De Schepper (FRA) v John-Patrick Smith (AUS)
Luke Saville (AUS) v Richard Gasquet (21) (FRA)
Nick Kyrgios (26) (AUS) v Diego Schwartzman (ARG)
Juan Monaco (ARG) v Florian Mayer (DEU)
Dusan Lajovic (SRB) v Tommy Haas (DEU)
Daniel Gimeno-Traver (ESP) v Milos Raonic (7) (CAN)
Luca Vanni (ITA) v James Ward (GBR)
Jiri Vesely (CZE) v Paolo Lorenzi (ITA)
Vasek Pospisil (CAN) v Vincent Millot (FRA)
Tim Smyczek (USA) v Fabio Fognini (30) (ITA)
Viktor Troicki (22) (SRB) v Aleksandr Nedovyesov (UKR)
Radek Stepanek (CZE) v Aljaz Bedene (SVN)
Dustin Brown (DEU) v Yen-Hsun Lu (TWN)
Thomaz Bellucci (BRA) v Rafael Nadal (10) (ESP)
Jo-Wilfried Tsonga (13) (FRA) v Gilles Muller (LUX)
Denis Istomin (UZB) v Albert Ramos-Vinolas (ESP)
Alexandr Dolgopolov (UKR) v Kyle Edmund (GBR)
Elias Ymer (SWE) v Ivo Karlovic (23) (HRV)
Andreas Seppi (25) (ITA) v Brydan Klein (GBR)
Sergiy Stakhovsky (UKR) v Borna Coric (HRV)
Robin Haase (NLD) v Alejandro Falla (COL)
Mikhail Kukushkin (KAZ) v Andy Murray (3) (GBR)
Tomas Berdych (6) (CZE) v Jeremy Chardy (FRA)
Filip Krajinovic (SRB) v Nicolas Mahut (FRA)
Ernests Gulbis (LVA) v Lukas Rosol (CZE)
Pablo Andujar (ESP) v Guillermo Garcia-Lopez (29) (ESP)
Gael Monfils (18) (FRA) v Pablo Carreno Busta (ESP)
Adrian Mannarino (FRA) v Michael Berrer (DEU)
Yuichi Sugita (JPN) v Blaz Kavcic (SVN)
Nicolas Almagro (ESP) v Gilles Simon (12) (FRA)
Feliciano Lopez (15) (ESP) v Steve Darcis (BEL)
Nikoloz Basilashvili (GEO) v Facundo Bagnis (ARG)
Benoit Paire (FRA) v Mikhail Youzhny (RUS)
Ruben Bemelmans (BEL) v Roberto Bautista Agut (20) (ESP)
Jack Sock (31) (USA) v Sam Groth (AUS)
Malek Jaziri (TUN) v James Duckworth (AUS)
Sam Querrey (USA) v Igor Sijsling (NLD)
Damir Dzumhur (BIH) v Roger Federer (2) (SUI)