Play begins at 10am unless otherwise stated
[Q] Ana BOGDAN (ROU) v Elena VESNINA (RUS) 
Kristina MLADENOVIC (FRA)  v Timea BABOS (HUN)
Lauren DAVIS (USA) v [WC] Eugenie BOUCHARD (CAN)
Anastasia PAVLYUCHENKOVA (RUS)  v [LL] Christina MCHALE (USA)
ZHANG Shuai (CHN) v Petra KVITOVA (CZE) 
Katerina SINIAKOVA (CZE) v PENG Shuai (CHN) 
Daria GAVRILOVA (AUS) v [Q] Kristyna PLISKOVA (CZE)
Lesia TSURENKO (UKR) v [Q] Kirsten FLIPKENS (BEL)
Barbora STRYCOVA (CZE)  v Daria KASATKINA (RUS)
Kiki BERTENS (NED) v [Q] Elise MERTENS (BEL)
[Q] Magda LINETTE (POL) v Roberta VINCI (ITA)
Play starts at 12 noon
Shuko AOYAMA (JPN) / Darija JURAK (CRO) v Nao HIBINO (JPN) / Alicja ROSOLSKA (POL)
Gabriela DABROWSKI (CAN) / XU Yifan (CHN)  v Andreja KLEPAC (SLO) / María José MARTINEZ SANCHEZ (ESP)
The tournament is celebrating its 20th anniversary this year.
Agnieszka Radwanska was the 2016 champion, beating Elina Svitolina 6-1, 7-6 in the final.
Petra Kvitova is a three-time winner, lifting the trophy in 2012, 2014 and 2015.
20-year-old Daria Kasatkina is the youngest player in the singles draw.
Sloane Stephens has withdrawn from the tournament due to a wrist injury, and has been replaced in the draw by compatriot Christina McHale.