Chinese fifth seed Li Na advanced to the fourth round of the US Open yesterday, smacking 11 aces in a 6-2, 7-5 victory over British teen Laura Robson.
Li avenged a third-round loss to Robson in last year’s tournament and will next face either Japanese qualifier Kurumi Nara or Serbian ninth seed Jelena Jankovic for a berth in the quarter-finals.
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“I was really happy how I was hitting on the court,” Li said. “And I thought I served really well.”