NEW YORK, NY - SEPTEMBER 07: Johanna Konta of Great Britain returns a shot to Petra Kvitova of Czech Republic during their Women's Singles Fourth Round match on Day Eight of the 2015 US Open at the USTA Billie Jean King National Tennis Center on September 7, 2015 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Al Bello/Getty Images)
