China's Li Na, right, is congratulated by Poland's Agnieszka Radwanska following their 

China's Li Na, right, is congratulated by Poland's Agnieszka Radwanska following their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 22, 2013. (AP Photo/Andy Wong)
Associated Press
China's Li Na, right, is congratulated by Poland's Agnieszka Radwanska following their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 22, 2013. (AP Photo/Andy Wong)
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