Na Li of China serves the ball to Petra Cetkovska of the Czech Republic during the fourth day of the WTA Qatar Ladies Open in Doha, Qatar, Thursday, Feb. 13, 2014. (AP Photo/Osama Faisal)

Mideast Qatar Ladies Open Tennis

Na Li of China serves the ball to Petra Cetkovska of the Czech Republic during the fourth day of the WTA Qatar Ladies Open in Doha, Qatar, Thursday, Feb. 13, 2014. (AP Photo/Osama Faisal)

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