Play starts at 3pm
Kristina MLADENOVIC (FRA)  v Magdalena RYBARIKOVA (SVK) 
Not before 4pm
Anastasia PAVLYUCHENKOVA (RUS)  v Ashleigh BARTY (AUS) 
Not before 7pm
Sloane STEPHENS (USA)  v Anastasija SEVASTOVA (LAT) 
Alicja ROSOLSKA (POL) / Anna SMITH (GBR)  v LU Jing-Jing (CHN) / ZHANG Shuai (CHN) 
Sevastova's best win of the season was against then-World No.3 Karolina Pliskova, whom she beat 6-3, 6-3 in Madrid.
US Open champion Sloane Stephens also beat a World No.3 - Angelique Kerber, whom she defeated 6-2, 6-2 in Toronto.
Anastasia Pavlyuchenkova got a win against Kerber too - but that was when the German was ranked No.1 in the world, beating her 6-4, 2-6, 6-1 in Monterrey.
Magdalena Rybarikova is currently at her career high ranking of World No.22.
Kristina MLADENOVIC (1), France
Julia GOERGES, Germany
Magdalena RYBARIKOVA, Slovakia
Goerges (1-0) defeated Rybarikova (0-1) in the first Azalea Group match on Tuesday.
Read more: Goerges glides past Rybarikova in Zhuhai
CoCo VANDEWEGHE (2), United States
Elena VESNINA, Russia
PENG Shuai (WC), China
Vandeweghe (1-0) opened the tournament with a win over Peng Shuai (0-1).
Read more: Vandeweghe rallies past Peng to open WTA Elite Trophy
Sloane STEPHENS (3), United States
Anastasija SEVASTOVA, Latvia
Barbora STRYCOVA, Czech Republic
Anastasia PAVLYUCHENKOVA (4), Russia
Angelique KERBER, Germany
Ashleigh BARTY, Australia
Pavlyuchenkova (1-0) got her third win of the year over Kerber (0-1) on Tuesday.
Read more: Pavlyuchenkova powers past Kerber in Zhuhai
Raluca OLARU (ROU)/Olga SAVCHUK (UKR)
YANG Zhaoxuan (CHN)/LIANG Chen (CHN)
DUAN Ying-Ying (CHN)/HAN Xinyun (CHN)
Doubles play opened with a win for top seeds Olaru/Savchuk (1-0) over Liang/Yang (0-1).
Read more: Olaru and Savchuk triumph in Zhuhai doubles opener
Alicja ROSOLSKA (POL)/Anna SMITH (GBR)
ZHANG Shuai (CHN)/LU Jing-Jing (CHN)
TANG Qianhui (CHN)/JIANG Xinyu (CHN)