Top seed Simona Halep is in action on Wednesday at the Porsche Tennis Grand Prix.
WTA Staff
April 24, 2018

Play starts at 11.30am

CENTER COURT

Madison KEYS (USA) v Anastasia PAVLYUCHENKOVA (RUS)

[WC] CoCo VANDEWEGHE (USA) v Sloane STEPHENS (USA) [7]

Kristina MLADENOVIC (FRA) v Anett KONTAVEIT (EST)

Not before 6.30pm
Petra KVITOVA (CZE) [8] v Angelique KERBER (GER)

Simona HALEP (ROU) [1] v Magdalena RYBARIKOVA (SVK)

COURT 1

Shuko AOYAMA (JPN) / Miya KATO (JPN) v Kiki BERTENS (NED) / Demi SCHUURS (NED) [3]

[Q] Veronika KUDERMETOVA (RUS) v Carla SUAREZ NAVARRO (ESP)

[LL] Carina WITTHOEFT (GER) v [Q] Zarina DIYAS (KAZ)

Not before 4pm
Antonia LOTTNER (GER) / Lena RUEFFER (GER) v Jelena OSTAPENKO (LAT) / Olga SAVCHUK (UKR)

Bethanie MATTEK-SANDS (USA) / CoCo VANDEWEGHE (USA) v Arantxa PARRA SANTONJA (ESP) / Katarina SREBOTNIK (SLO)

Not before 8pm
Raquel ATAWO (USA) / Anna-Lena GROENEFELD (GER) [4] v Monique ADAMCZAK (AUS) / Lyudmyla KICHENOK (UKR)

MATCH POINTS

Keys is seeking her 160th career main draw victory today.

Vandeweghe v Stephens is the Miami Open doubles champion v the Miami Open singles champion respectively.

Mladenovic was last year's runner-up in Stuttgart.

The Frenchwoman has never played Kontaveit before.

READ: All Access Hour - Halep builds the perfect clay court player

Halep begins her campaign to become the first World No.1 to win the title in Stuttgart since Justine Henin in 2007.