- World Rankings
Murray to attempt Queen's treble

British No. 1 Andy Murray has confirmed he will attempt to claim a third AEGON Championships title at Queen's Club this summer.
Murray, who triumphed at the tournament in 2009 and last year, has frequently used the grass-court event as a springboard for a tilt at the Wimbledon crown.
"I'm excited to be going back to Queen's Club," he said. "It's a great tournament and the courts are as good as anywhere in the world, so it's the perfect preparation for Wimbledon. There's always a great atmosphere and, having won the trophy twice previously, I have nothing but good memories.
"They also have one of the biggest trophies on the tennis circuit, and most of the Wimbledon champions are on it, so you know it's a big deal. I'd love to win it again this year."
The AEGON Championships begin on June 11 this year, two weeks before Wimbledon kicks off at the All England Club.
Meanwhile, John Isner has climbed three places to 14th in the men's world rankings.
Men's world rankings: 1. Novak Djokovic (SRB), 2. Rafael Nadal (SPA), 3. Roger Federer (SWI), 4. Andy Murray (GBR), 5. David Ferrer (SPA), 6. Jo-Wilfried Tsonga (FRA), 7. Tomas Berdych (CZE), 8. Mardy Fish (USA), 9. Janko Tipsarevic (SRB), 10. Juan Martin Del Potro (ARG)
Women's: 1. Victoria Azarenka (BLR), 2. Maria Sharapova (RUS), 3. Petra Kvitova (CZE), 4. Caroline Wozniacki (DEN), 5. Sam Stosur (AUS), 6. Agnieszka Radwanska (POL), 7. Marion Bartoli (FRA), 8. Vera Zvonareva (RUS), 9. Li Na (CHN), 10. Andrea Petkovic (GER)
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