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Poland's Agnieszka Radwanska, German giant-killer Sabine Lisicki, Belgian Kirsten Flipkens and Marion Bartoli of France advanced to the Wimbledon semifinals with quarterfinal victories on Tuesday.

Hampered last year by injuries, Flipkens beat 2011 Wimbledon champion Petra Kvitova 4-6, 6-3, 6-4.

The Czech's defeat means whoever ultimately prevails at this year's Wimbledon will be celebrating her first Grand Slam triumph.

Radwanska, the fourth seed, beat China's Na Li, winner of the 2011 French Open, 7-6(5), 4-6, 6-2 in two hours and 43 minutes.

Fresh off her upset of world No. 1 Serena Williams, Lisicki had an easy time Tuesday with Estonia's Kaia Kanepi, winning 6-3, 6-3 in a little more than a hour.

Sloane Stephens, the last remaining U.S. singles player in this year's tournament, fell 6-4, 7-5 to Bartoli.

One semifinal will feature 2012 finalist Radwanska against Lisicki, while Flipkens and Bartoli will do battle in the other contest.

Lisicki reached the Wimbledon semis two years ago only to lose against Maria Sharapova. France's Bartoli lost the 2007 women's final to Venus Williams. EFE