Murray, Tsonga Serena and Li advance
Reigning US Open champs Andy Murray and Serena Williams stepped up their bids for another title while China's Li Na halted the giant-killing run of a Spanish teen to advance at the Miami Masters.
Second seed Murray blasted nine aces en route to a 7-6 (7/3), 6-3 victory over disgruntled Grigor Dimitrov to reach the fourth round of the hardcourt tournament. Murray, who won this event four years ago, needed one hour and 54 minutes to oust the 29th-seeded Bulgarian Dimitrov. Murray said he started slowly but soon figured out how to cause problems for his opponent. "I was leaving the ball a bit short. Once I started to improve my depth a bit I made it tough for him and he started to make major mistakes after that," Murray said.
Dimitrov, last year's runnerup to Novak Djokovic, would have faced a tougher task had not the 21-year-old lost his composure when serving for the first set at 5-3. Meanwhile, eighthseeded Frenchman Richard Gasquet rolled over 28th-seeded Russian Mikhail Youzhny 63, 6-4 and 10th-seeded Spaniard Nicolas Almagro beat Belgian David Goffin 6-3, 6-4. Gasquet faces Almagro in the fourth round.