US Open: Serena Williams beats Li Na to face Victoria Azarenka in final
By Paul Higham <i>Twitter: <a href=' http://bit.ly/e6TSqR' class='instorylink'>@SkySportsPaulH</a></i>
Sunday 8 September 2013 23:41, UK
Serena Williams powered her way into a seventh US Open final with a 6-0 6-3 victory over Li Na at Flushing Meadows to set-up a rematch with Victoria Azarenka.