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.
Kvitova edges Muguruza in 22-point tiebreaker


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.


