US Open: Li Na avenges loss to Laura Robson, enters 4th round
Updated: 30 August 2013 23:17 IST
The fifth-seeded Li rallied from down a break in the second set for a 6-2, 7-5 victory. In 2012, Li was seeded ninth, while Robson was ranked 89th. Now the British teen is seeded No. 30, but she was overmatched Friday.