In Wimbledon Championship, Roger Federer and S.Warwinka have advanced to the men's doubles quarterfinals. Federer beat T.Robredo 6-1, 6-4, 6-4 and Warwinka defeated F.Lopez 7-6, 7-6, 6-3 this evening. The two will meet each other in the quarter finals.Defending Champion Andy Murray nad top seed Novak Djokovic will play their quarterfinal matches later today. Djokovic will clash with Croatian Marin Cilic in the quarterfinals today. The Serbian advanced from the fourth round by defeating French Jo Wilfried Tsonga in straight sets of 6-3, 6-4, 7-6.British Hope Murray will play Grigor Dimitrov of Bulgaria.In Women's Sinlgles, pre-quarter finals, fourth seed Agnieszka Radwanska lost to 22nd seed Ekaterina Makarova of Russia in straight sets of 3-6, 0-6. Meanwhile, Czech Petra Kivitova advanced to the quarterfinal by defeating unseeded Shuai Peng from China 6-3, 6-2. Third seed Simona Halep, fifth seed Maria Sharapova will play their prequarterfinal matches today.