STADIUM 1 - start 11:00 am
Following 1 ATP match
Not Before 12:30 pm
Venus WILLIAMS (USA) vs Andrea PETKOVIC (GER) 
Following 1 ATP match
Not Before 6:00 pm
Kirsten FLIPKENS (BEL) vs Eugenie BOUCHARD (CAN) 

STADIUM 2 - start 11:00 am
Kristina MLADENOVIC (FRA) vs ZHENG Saisai (CHN) 
Following 1 ATP match
Ajla TOMLJANOVIC (AUS) vs Alizé CORNET (FRA) 
Following 1 ATP match
Not Before 8:00 pm
[Q] Christina MCHALE (USA) vs Maria SAKKARI (GRE)

STADIUM 3 - start 11:00 am
[WC] Madison BRENGLE (USA) vs Samantha STOSUR (AUS) 
Not Before 12:30 pm
Alison RISKE (USA) vs Alison VAN UYTVANCK (BEL) 

STADIUM 4 - start 11:00 am
Following 3 ATP matches
[Q] Ysaline BONAVENTURE (BEL) vs [WC] Taylor TOWNSEND (USA) 
[WC] Jessica PEGULA (USA) vs [Q] Zarina DIYAS (KAZ)

STADIUM 5 - start 11:00 am
Yulia PUTINTSEVA (KAZ) vs Timea BABOS (HUN) 

STADIUM 6 - start 11:00 am
Following 1 ATP match
Lara ARRUABARRENA (ESP) / Heather WATSON (GBR) vs [Alt] Garbiñe MUGURUZA (ESP) / Carla SUÁREZ NAVARRO (ESP) 
Alicja ROSOLSKA (POL) / YANG Zhaoxuan (CHN) vs [WC] Victoria AZARENKA (BLR) / Elina SVITOLINA (UKR) 
Monica PUIG (PUR) vs Evgeniya RODINA (RUS)

STADIUM 7 - start 11:00 am
[Q] Misaki DOI (JPN) vs Ons JABEUR (TUN) 
[Q] ZHU Lin (CHN) vs Mona BARTHEL (GER) 
[3] HSIEH Su-wei (TPE) / Barbora STRYCOVA (CZE) vs Julia GOERGES (GER) / Karolina PLISKOVA (CZE) 

STADIUM 8 - start 11:00 am
Rebecca PETERSON (SWE) vs Ekaterina ALEXANDROVA (RUS) 
[Q] Natalia VIKHLYANTSEVA (RUS) vs [Q] Priscilla HON (AUS) 
Johanna LARSSON (SWE) vs Kaia KANEPI (EST)

STADIUM 9 - start 12:30 pm
[1] Barbora KREJCIKOVA (CZE) / Katerina SINIAKOVA (CZE) vs Ashleigh BARTY (AUS) / Caroline GARCIA (FRA) 
After Suitable Rest - Kiki BERTENS (NED) / Donna VEKIC (CRO) vs [6] Samantha STOSUR (AUS) / ZHANG Shuai (CHN) 
[5] Gabriela DABROWSKI (CAN) / XU Yi-fan (CHN) vs Irina-Camelia BEGU (ROU) / Mihaela BUZARNESCU (ROU)

MATCH POINTS

Venus Williams has a 2-2 career head-to-head record against Andrea Petkovic, with their three previous matches all going to three sets.

The German won the last meeting of the players in Stanford, 2014. 

Venus’ run to the semifinals of this tournament last year equals her best performance. She had previous reached the final four in 1998 and 2001.

Samantha Stosur is seeking to improve upon her 3-0 winning record against American wildcard Madison Brengle.

Alison Riske has won her only previous meeting with Alison Van Uytvanck, which came on the grass of Nottingham in 2013.

No.3 seed Hsieh Su-wei beat Barbora Strycova when the players last met, which was in Auckland 2018.

The Chinese Taipei player was the No.2 seed in qualifying last year and reached the main draw, where she was beaten by Carla Suárez Navarro.