Petra Kvitová reaches quarterfinal at US Open

In Tennis, No. 13 seed Petra Kvitová advanced from the round of 16 at the US Open on Sunday, after defeating reigning Wimbledon champion and No. 3 seed Garbiñe Muguruza of Spain, 7-6, 6-3. Kvitová, who reached her second US Open quarterfinal of her career, will next face Venus Williams.