No.4 seed Simona Halep begins Stuttgart campaign against Barbora Strycova, with No.5 seed Garbiñe Muguruza and No.6 seed Johanna Konta also in action.

CENTRE COURT

Starts 12 Noon CET

Carla SUÁREZ NAVARRO (ESP) vs [Q] Tamara KORPATSCH (GER) 

[WC] Johanna KONTA (GBR) [6] vs Naomi OSAKA (JPN) 

Barbora STRYCOVA (CZE) vs Simona HALEP (ROU) [4]

Not before 6.30pm CET

[WC] Maria SHARAPOVA (RUS) vs Roberta VINCI (ITA)

Garbiñe MUGURUZA (ESP) [5] vs [Q] Anett KONTAVEIT (EST)

Raluca OLARU (ROU)/Olga SAVCHUK (UKR) vs Lyudmyla KICHENOK (UKR)/Lesia TSURENKO (UKR)

COURT 1

Starts 12 Noon CET

Elena VESNINA (RUS) vs Daria KASATKINA (RUS)

Abigail SPEARS (USA)/Katarina SREBOTNIK (SLO) [1] vs Evgeniya RODINA (RUS)/Anastasija SEVASTOVA (LAT)

Kristina MLADENOVIC (FRA) vs Mirjana LUCIC-BARONI (CRO)

CoCo VANDEWEGHE (USA) vs [Q] Jelena OSTAPENKO (LAT)