Friday
At The Family Circle Tennis Center
Charleston, S.C.
Purse: $731,000 (Premier)
Surface: Green Clay-Outdoor
Singles
Quarterfinals
Madison Keys (7), United States, def. Lauren Davis, United States, 6-2, 6-2.
Lucie Hradecka, Czech Republic, def. Sara Errani (4), Italy, 6-2, 6-4.
Andrea Petkovic (3), Germany, def. Danka Kovinic, Montenegro, 2-6, 6-3, 6-1.
Angelique Kerber (5), Germany, def. Irina-Camelia Begu (13), Romania, 7-6 (3), 7-6 (4).
Doubles
Quarterfinals
Casey Dellacqua, Australia, and Darija Jurak, Croatia, def. Raquel Kops-Jones and Abigail Spears (2), United States, 6-3, 6-3.
Martina Hingis, Switzerland, and Sania Mirza (1), India, def. Anabel Medina Garrigues, Spain, and Yaroslava Shvedova, Kazakhstan, 7-4, 4-6, 13-11.