Stock Photo: Andrea Petkovic, GER, lying on the ground, badly injured, with two torn ligaments, taking off shoe, Porsche Tennis Grand Prix, Porsche Cup, women´s tour, Porsche_Arena, Stuttgart, Baden_Wuerttemberg, Germany, Europe

Stock Photo: 1848-667495 Andrea Petkovic, GER, lying on the ground, badly injured, with two torn ligaments, taking off shoe, Porsche Tennis Grand Prix, Porsche Cup, women´s tour, Porsche_Arena, Stuttgart, Baden_Wuerttemberg, Germany, Europe