LONDON -- With a dominant display of grass-court tennis, Roger Federer kept up his bid for a record eighth Wimbledon title by beating Tommy Robredo in straight sets Tuesday to reach the quarterfinals at the All England Club for the 12th time. The fourth-seeded Federer, who has not dropped a set in the entire tournament, overwhelmed the Spaniard 6-1, 6-1, 6-4 in just over 90 minutes on No. 1 Court. He hit 11 aces, faced only one break point -- in the final game of the match -- and broke four times in a performance that showed he remains a real contender at the age of 32. "Its really nice the way Im playing," Federer said. "Im serving well, moving well, returning all right, so all the things are happening that need to be happening to go deep in this tournament again." Federer received a standing ovation after closing out the match with a serve-and-volley point, hitting a backhand volley that Robredo couldnt handle. The win avenged Federers straight-set loss to Robredo in their last meeting in the fourth round of the U.S. Open. Apart from that defeat, Federer has won all of his 11 matches against the Spaniard. Federer has lost only 32 games in four matches at the All England Club, the same number as defending champion Andy Murray. "Clearly Im very pleased with the first week, and here we go now into the quarters," Federer said. "Its always really exciting being so deep into a tournament and feeling you are closer to the finish line. "Ive played a lot of matches so things are exactly where I want them to be, but then again youre sort of only in the quarterfinals and thats when the tournament kind of really starts." Federers win set up an all-Swiss duel with Australian Open champion Stan Wawrinka, who beat Feliciano Lopez 7-6 (5), 7-6 (7), 6-3 to make it to the Wimbledon quarterfinals for the first time. Federer holds a 13-2 record against Wawrinka, though Wawrinka won their last encounter in the Monte Carlo final in April. In womens play, French Open runner-up Simona Halep breezed into the quarterfinals with a 6-3, 6-0 win over Zarina Diyas of Kazakhstan. The third-seeded Romanian needed just 57 minutes to beat the 72nd-ranked Diyas, who was playing at Wimbledon for the first time. Her next opponent will be 2013 finalist Sabine Lisicki of Germany, who overcame shoulder trouble to defeat Yaroslava Shvedova of Kazakhstan 6-3, 3-6, 6-4 in two hours. Halep is the second Romanian woman to reach the quarterfinals at the All England Club, joining Virginia Ruzici, who made it to the final eight in 1978 and 1981. Ruzici is now Haleps manager. Halep, who has reached the quarterfinals at all three Grand Slams this year, is the only player among the top four seeds left in the draw. No. 1 Serena Williams, No. 2 Li Na and No. 4 Agnieszka Radwanska are all out. The 19th-seeded Lisicki tk an injury timeout while facing break point at 1-1 in the second set and was treated by a trainer on her right shoulder. After returning to the court, Lisicki saved the break point and held serve, then broke in the next game for a 3-1 lead. She was broken by the 72nd-ranked Shvedova while serving for the match at 5-3, but broke again in the next game to close it out. An emotional Lisicki celebrated by falling to her knees at the baseline and resting her forehead on the grass. Both players piled up more unforced errors than winners. 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Head of clinic Josef Obrist tells the Austria Press Agency on Thursday that Morgenstern "is doing surprisingly well. ... He still has a memory gap but thats nothing unusual." Morgenstern has moved to a rehabilitation clinic in Klagenfurt for further recovery.BUENOS AIRES, Argentina - The lawyer for Carlos Tevez says the father of the Argentina and Juventus star has been kidnapped by unknown assailants on the outskirts of the Argentina capital Buenos Aires. Lawyer Gustavo Galasso described the family Tuesday as "dismayed" by the news. He offeredd few other details.dddddddddddd Galasso did not identify Tevezs father by name. News sources in Argentina identified him as Segundo Tevez or Juan Alberto Cabral. Tevez was in Italy training for the upcoming season, with some Italian media reports saying he was headed to Argentina. ' ' '