Germany 's Angelique Kerber came from a set down to outmuscle Caroline Wozniacki 3-6 , 6-1 , 7-5 on Sunday and win the Stuttgart Grand Prix for her second title of the season . Kerber , ranked 14th in the world , completed a memorable week where she beat top seed Maria Sharapova and sixth seed Ekaterina Makarova in previous rounds . ' I am completely done here , empty . I gave everything I had and the crowd just carried me , ' she said in a courtside interview . ' I had to fight until the very end and I could not have done it without this crowd . ' Angelique Kerber poses with her trophy and new sports car after winning the Porsche Grand Prix . Kerber ( right ) is congratulated by Caroline Wozniacki after a thrilling three-set final . Kerber falls to the ground in celebration after the German clinches victory in Stuttgart . Dane Wozniacki , a former world number one , eased past the German in the first set before her game unravelled in the second . Wozniacki composed herself and a break at 4-3 in the third seed looked to have given her the edge in the indoor arena . But Kerber , clutching her bandaged right thigh , battled back to win three games in a row to go 6-5 up . Wozniacki saved three match points before the 27-year-old Kerber kept her cool to convert her fourth chance for her second title in a month after Charleston . Wozniacki slides to her left to play a backhand during an enthralling match on Sunday . Kerber comes forward to play the forehand before going on to claim victory on home soil .
Angelique earlier in the week beat Caroline Wozniacki 3-6 , 6-1 , 7-5 in the final . The German world No 14 knocked out Maria Sharapova Kerber . earlier in the week won a Porsche sports car for her efforts in Stuttgart .