Radwanska to face Li Na
Last year's runner-up Agnieszka Radwanska remains on course to go one better at Wimbledon after battling into the last eight.
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The Pole, seeded fourth this year, saw off grasscourt specialist Tsvetana Pironkova 4-6 6-3 6-3 on Monday and will next meet China's Li Na.
Radwanska lost the 2012 final to Serena Williams but with the American having been eliminated by Sabine Lisicki, she will now fancy her title chances.
Facing Pironkova was never going to be easy. She is a former semi- and quarter-finalist in SW19 and when the Bulgarian took the first set, Radwanska looked in a spot of bother.
However, she claimed an early break in the second and served out the rest of the set to level the contest.
And Pironkova was unable to make inroads on Radwanska's serve in the decider either, losing her own serve early again and then for a second time as Radwanska clinched her quarter-final berth.
Meanwhile, Li overcame pre-match jitters to reach the quarter-finals for a third time as she crushed Italian Roberta Vinci's hopes of a debut in the last eight.
China's former French Open champion was selected in Time magazine's list of the world's 100 most influential people earlier this year.
Her success on the women's tour and on the grand slam stage has sparked soaring participation levels in tennis at home, and there could be more high achievement to celebrate in the coming days for the 31-year-old and her fanbase.
Sixth seed Li was placed on Court Three on Monday and was a 6-2 6-0 winner in just 55 minutes, breaking serve six times and hitting a head-spinning number of winners as Vinci failed to make her mark on the contest.
The only momentary blip from Li came when 5-0 ahead in the opening set, but the brief lapse was to prove inconsequential.
She reached the last four at Wimbledon on her debut in 2006 and matched that run in 2010, but second-round defeats in the last two years proved a disappointing return.
The resounding manner of the win offered a perfect contrast to Li's pre-match thoughts.
"Before I got to the court I was so nervous," Li said.
"I couldn't come to the court totally relaxed. This is the fourth round. I knew that if I could get to the quarter-finals tomorrow would be a bonus. I wanted to cash in the bonus.
"I've been feeling pretty good up to this point and I'm still in the tournament."