CHARLESTON, S.C. (AP) Fifth-seeded Angelique Kerber moved into the quarterfinals of the Family Circle Cup on Thursday with a 6-3, 6-0 victory over Lara Arruabarrena.
Kerber hadn't won more than one match in any of her previous five events. The 27-year-old German reached the final eight for the first time since advancing to the semifinials at Sydney three months ago.
Kerber will next face No. 13 seed Irina-Camelia Begu, who advanced when second-seeded Ekaterina Makarova withdrew Wednesday because of a stomach illness.
Defending champion Andrea Petkovic, seeded third and the highest-ranked player left at the Family Circle, faces American Madison Brengle later Thursday for a trip to the quarterfinals. Petkovic is 9-0 at the clay-court tournament the past three years.
Top-seeded Eugenie Bouchard was defeated by American Lauren Davis on Wednesday night.