Petra Kvitova erased a pair of match points and converted her fourth to edge Garbiñe Muguruza and advance to the fourth round of the US Open, where she will face American Jessica Pegula.
Petra Kvitova erased a pair of match points and converted her fourth to edge Garbiñe Muguruza and advance to the fourth round of the US Open, where she will face American Jessica Pegula.