Charleston WTA results

Following are the results Thursday from the Family Circle Cup at Family Circle Tennis Center (prefix number denotes seedings):

Women's singles

Third round

3-Andrea Petkovic, Germany, bt Madison Brengle, United States, 6-4, 6-4.

4-Sara Errani, Italy, bt Sara Sorribes Tormo, Spain, 6-2, 5-7, 6-2.

5-Angelique Kerber, Germany, bt Lara Arruabarrena, Spain, 6-3, 6-0.

Danka Kovinic, Montenegro, bt 6-Jelena Jankovic, Serbia, walkover.

7-Madison Keys, United States, bt Andreea Mitu, Romania, 6-2, 6-0.

Lucie Hradecka, Czech Republic, bt 8-Caroline Garcia, France, 5-7, 7-5, 6-4.

Lauren Davis, United States, bt 5-Mona Barthel, Germany, 6-4, 3-0, retired.

Women's doubles

Quarterfinals

Marina Erakovic, New Zealand/Andrea Petkovic, Germany, bt 4-Timea Babos, Hungary/Anna-Lena Groenefeld, Germany, 6-1, 6-2.

Alla Kudryavtseva/Anastasia Pavlyuchenkova, Russia, bt Bethanie Mattek-Sands, United States/Ajla Tomljanovic, Croatia, 6-4, 6-4.

Endi