Angelique Kerber defeated Caroline ##erer 7 - 6 , 6 - 4 , 7 - 6 in the final . The German world No 14 knocked out Maria Sharapova earlier in the week . Kerber won a prototype sports car for her efforts in qualifying .
Angelique Kerber beat Caroline Wozniacki 3-6 , 6-1 , 7-5 in the final . The German world No 14 knocked out Maria Sharapova earlier in the week . Kerber won a Porsche sports car for her efforts in Stuttgart .