Li Na of China hits a return to Sorana Cirstea of Romania during their women's singles match at the Australian Open tennis tournament in Melbourne, Jan 18, 2013. [Photo/Agencies]
Six-seeded Li Na eases past Romania's Sorana Cirstea 6-4, 6-1 in straight sets to advance to the fourth round of the Australian Open, keeping her hope to bag another Grand Slam title widely large.
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