Eight Top 30 players, including five of the Top 6 players in the PIF WTA Rankings, are set for Saturday’s blazing quarterfinals at the Porsche Tennis Grand Prix.

STUTTGART, GERMANY (AP) _ Results Tuesday from Porsche Tennis Grand Prix at Porsche Arena (seedings in parentheses): Jelena Ostapenko, Latvia, def. Dayana Yastremska, Ukraine, 6-3, 3-0, ret.

Top 20 players will face off for the prestigious WTA 500 indoor-clay title at the Porsche-Arena in Stuttgart, kicking off the ...