This winning streak calls for a selfie! Petra Kvitova defeats Muguruza 3-6, 6-3, 6-4 in the Doha final and has won her last 13 matches. Give her some 👏 for picking up her second straight title this month! 📸: @petra.kvitova #usopen #petrakvitova #kvitova #doha #wta #tennis #protennis #instatennis #instasports