(17) John Isner (USA) mn Matthew Ebden (Aus) 6-2 7-6 (10-8) 6-4

(26) Nick Kyrgios (Aus) mn Juan Monaco (Arg) 7-6 (7-5) 6-3 6-4(7)

Milos Raonic (Can) mn Tommy Haas (Ger) 6-0 6-2 6-7 (5-7) 7-6 (7-4)(1)

Novak Djokovic (Ser) mn Jarkko Nieminen (Fin) 6-4 6-2 6-3(11)

Grigor Dimitrov (Bul) mn Steve Johnson (USA) 7-6 (10-8) 6-2 7-6 (7-2)

Santiago Giraldo (Col) mn (5) Kei Nishikori (Jpn) w/o

(21) Richard Gasquet (Fra) mn Kenny De Schepper (Fra) 6-0 6-3 6-3

(16) David Goffin (Bel) mn Liam Broady (Gbr) 7-6 (7-3) 6-1 6-1

(27) Bernard Tomic (Aus) mn Pierre-Hugues Herbert (Fra) 7-6 (7-3) 6-4 7-6 (7-5) 

Marcos Baghdatis (Cyp) mn John Millman (Aus) 6-7 (5-7) 2-6 6-3 6-2 6-4 

Denis Kudla (USA) mn Alexander Zverev (Ger) 6-3 3-6 7-6 (7-2) 6-4 

Fernando Verdasco (Spa) mn (32) Dominic Thiem (Aut) 5-7 6-4 5-7 6-3 6-4 

(24) Leonardo Mayer (Arg) mn Marcel Granollers (Spa) 6-3 7-6 (7-4) 6-3 

(14) Kevin Anderson (Rsa) mn Marsel Ilhan (Tur) 6-7 (5-7) 7-6 (8-6) 6-4 6-4(9)

Marin Cilic (Cro) mn Ricardas Berankis (Lit) 6-3 4-6 7-6 (8-6) 4-6 7-5 (4)

Stanislas Wawrinka (Swi) mn Victor Estrella Burgos (Dom) 6-3 6-4 7-5  

WANITA

(29) Irina-Camelia Begu (Rom) mn Lesia Tsurenko (Ukr) 7-5 6-7 (4-7) 7-5(22)

Samantha Stosur (Aus) mn Urszula Radwanska (Pol) 6-3 6-4

Coco Vandeweghe (USA) mn (11) Karolina Pliskova (Cze) 7-6 (7-5) 6-4

Zarina Diyas (Kaz) mn Aliaksandra Sasnovich (Blr) 7-5 6-1(4)

Maria Sharapova (Rus) mn Richel Hogenkamp (Ned) 6-3 6-1 

Heather Watson (Gbr) mn Daniela Hantuchova (Svk) 6-4 6-2 (30)

Belinda Bencic (Swi) mn Anna-Lena Friedsam (Ger) 7-5 4-6 6-0 (14)

Andrea Petkovic (Ger) mn Mariana Duque Marino (Col) 6-3 6-1 

Bethanie Mattek-Sands (USA) mn (7) Ana Ivanovic (Ser) 6-3 6-4 

Kristina Mladenovic (Fra) mn Jelena Ostapenko (Lat) 6-4 7-5 (6)

Lucie Safarova (Cze) mn Su-Wei Hsieh (Tpe) 6-2 6-2 (23)

Victoria Azarenka (Blr) mn Kirsten Flipkens (Bel) 6-3 6-3 (1)

Serena Williams (USA) mn Timea Babos (Hun) 6-4 6-1 

Sloane Stephens (USA) mn Lauren Davis (USA) 6-4 6-4 (16)

Venus Williams (USA) bt Yulia Putintseva (Kaz) 7-6 (7-5) 6-4 

Aleksandra Krunic (Ser) mn (19) Sara Errani (Ita) 6-3 6-7 (2-7) 6-2