Serena Williams of the U.S. reacts after defeating Petra Kvitova of the Czech Republic during their women’s quarter-final match at the Qatar Open tennis tournament in Doha February 15, 2013. REUTERS/Fadi Al-Assaad (QATAR – Tags: SPORT TENNIS)
Serena Williams of the U.S. reacts after defeating Petra Kvitova of the Czech Republic during their women's quarter-final match at the Qatar Open tennis tournament in Doha
