Sorana Cirstea (ROU) - Monica Niculescu (ROU) 3-6, 6-4, 6-4
Darya Kasatkina (RUS/N.12) - Maria Sakkari (GRE) 6-4, 4-6, 6-1
Maria Sharapova (RUS) - Sesil Karatantcheva (BUL) 6-1, 6-2
Alizé Cornet (FRA) - Tatjana Maria (GER) 4-6, 6-1, 6-3
Alison Van Uytvanck (BEL) - Sofya Zhuk (RUS) 6-1, 6-2
Ashleigh Barty (AUS/N.15) - Irina Begu (ROU) 6-3, 1-6, 7-5
Kiki Bertens (NED) - Carol Zhao (CAN) 6-1, 6-2
Carla Suarez (ESP) - Naomi Osaka (JPN/N.16) 7-6 (7/2), 6-2
Françoise Abanda (CAN) - Kirsten Flipkens (BEL) 6-3, 6-2
Mihaela Buzarnescu (ROU) - Qiang Wang (CHN) 6-2, 7-5
Victoria Azarenka (BLR) - Kristina Mladenovic (FRA) 6-0, 6-1
Johanna Konta (GBR) - Jelena Ostapenko (LAT/N.11) 6-7 (6/8), 6-1, 6-2
Elise Mertens (BEL/N.14) - Eugenie Bouchard (CAN) 6-2, 6-4
Shuai Zhang (CHN) - Barbora Krejcikova (CZE) 7-5, 7-5
Aryna Sabalenka (BLR) - Ana Bogdan (ROU) 6-4, 4-6, 6-3
Turul II
Petra Kvitova (CZE/N.8) - Anett Kontaveit (EST) 6-3, 6-4
Julia Goerges (GER/N.10) - Lucie Safarova (CZE) 2-6, 6-4, 6-3