Serena Williams (1) (USA) v Anna Tatishvili (USA)
Chanelle Scheepers (RSA) v Christina McHale (USA)
Jovana Jaksic (SRB) v Petra Cetkovska (CZE)
Anna Schmiedlova (SVK) v Alize Cornet (25) (FRA)
Andrea Petkovic (20) (GER) v Katarzyna Piter (POL)
Irina-Camelia Begu (ROU) v Virginie Razzano (FRA)
Silvia Soler-Espinosa (ESP) v Olga Govortsova (BLR)
Daniela Hantuchova (SVK) v Eugenie Bouchard (13) (CAN)
Angelique Kerber (9) (GER) v Urszula Radwanska (POL)
Heather Watson (GBR) v Ajla Tomljanovic (CRO)
Petra Martic (CRO) v Lourdes Dominguez Lino (ESP)
Tamira Paszek (AUT) v Kirsten Flipkens (24) (BEL)
A.Pavlyuchenkova (26) (RUS) v Alison Riske (USA)
Alexandra Cadantu (ROU) v Camila Giorgi (ITA)
Timea Bacsinszky (SUI) v Sharon Fichman (CAN)
Samantha Murray (GBR) v Maria Sharapova (5) (RUS)
==
Simona Halep (3) (ROU) v Teliana Pereira (BRA)
Dinah Pfizenmaier (GER) v Lesia Tsurenko (UKR)
Belinda Bencic (SUI) v Magdalena Rybarikova (SVK)
Victoria Duval (USA) v Sorana Cirstea (29) (ROU)
Roberta Vinci (21) (ITA) v Donna Vekic (CRO)
Vera Zvonareva (RUS) v Tara Moore (GBR)
Zarina Diyas (KAZ) v Kristina Mladenovic (FRA)
Shuai Zhang (CHN) v Carla Suarez Navarro (15) (ESP)
Ana Ivanovic (11) (SRB) v Francesca Schiavone (ITA)
Annika Beck (GER) v Jie Zheng (CHN)
Karolina Pliskova (CZE) v Karin Knapp (ITA)
Julia Glushko (ISR) v Sabine Lisicki (19) (GER)
Klara Koukalova (31) (CZE) v Taylor Townsend (USA)
Madison Keys (USA) v Monica Puig (PUR)
Kristyna Pliskova (CZE) v Yaroslava Shvedova (KAZ)
Kaia Kanepi (EST) v Jelena Jankovic (7) (SRB)
==
Victoria Azarenka (8) (BLR) v Mirjana Lucic-Baroni (CRO)
Johanna Larsson (SWE) v Bojana Jovanovski (SRB)
Tereza Smitkova (CZE) v Su-Wei Hsieh (TPE)
Coco Vandeweghe (USA) v Garbine Muguruza (27) (ESP)
Lucie Safarova (23) (CZE) v Julia Goerges (GER)
Polona Hercog (SLO) v Paula Ormaechea (ARG)
Monica Niculescu (ROU) v Alison Van Uytvanck (BEL)
Aleksandra Wozniak (CAN) v Dominika Cibulkova (10) (SVK)
Sara Errani (14) (ITA) v Caroline Garcia (FRA)
Tsvetana Pironkova (BUL) v Varvara Lepchenko (USA)
Misaki Doi (JPN) v Elina Svitolina (UKR)
Kimiko Date-Krumm (JPN) v Ekaterina Makarova (22) (RUS)
Svetlana Kuznetsova (28) (RUS) v M.Larcher De Brito (POR)
Stefanie Voegele (SUI) v Jarmila Gajdosova (AUS)
Anett Kontaveit (EST) v Casey Dellacqua (AUS)
Andreea Mitu (ROU) v Agnieszka Radwanska (4) (POL)
==
Petra Kvitova (6) (CZE) v Andrea Hlavackova (CZE)
Mona Barthel (GER) v Romina Oprandi (SUI)
Kurumi Nara (JPN) v Anna-Lena Friedsam (GER)
M.Torro-Flor (ESP) v Venus Williams (30) (USA)
Sloane Stephens (18) (USA) v Maria Kirilenko (RUS)
Johanna Konta (GBR) v Shuai Peng (CHN)
Lauren Davis (USA) v Alisa Kleybanova (RUS)
Jana Cepelova (SVK) v Flavia Pennetta (12) (ITA)
Caroline Wozniacki (16) (DEN) v Shahar Peer (ISR)
Naomi Broady (GBR) v Timea Babos (HUN)
Ana Konjuh (CRO) v Marina Erakovic (NZL)
Yanina Wickmayer (BEL) v Samantha Stosur (17) (AUS)
Elena Vesnina (32) (RUS) v P.Mayr-Achleitner (AUT)
Alla Kudryavtseva (RUS) v B.Zahlavova Strycova (CZE)
Vania King (USA) v Yvonne Meusburger (AUT)
Paula Kania (POL) v Na Li (2) (CHN)