Kerber faces Kvitova in semifinals in Stuttgart

STUTTGART, Germany (AP) Defending champion Angelique Kerber will face Petra Kvitova of the Czech Republic in the Porsche Grand Prix semifinals. The

STUTTGART, Germany (AP) Defending champion Angelique Kerber will face Petra Kvitova of the Czech Republic in the Porsche Grand Prix semifinals.

The second-seeded Kerber easily overcame seventh-seeded Carla Suarez Navarro of Spain 6-2, 6-4 in Friday's quarterfinals, needing just 29 minutes to win the first set and 72 minutes overall.

The German says ''I tried to be aggressive from the start, I think it worked very well.''

Fifth-seeded Kvitova had a tougher task defeating third-seeded Garbine Muguruza of Spain 6-1, 3-6, 6-0.