Flavia Pennetta of Italy celebrates match point against Petra Kvitova of the Czech Republic during their 2015 US Open Women’s Singles – Quarterfinals at the USTA Billie Jean King National Tennis Center September 9, 2015 in New York. Pennetta won 4-6, 6-4, 6-2. AFP PHOTO / TIMOTHY A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images)
