( CNN ) -- French Open champion Roger Federer dramatically withdrew from the Halle Open tournament on Tuesday saying he was `` overwhelmed and exhausted '' after his Paris triumph . Roger Federer quits the Halle Open saying he is `` overwhelmed and exhausted '' after his Paris triumph . Federer beat Swede Robin Soderling in Sunday 's Roland Garros final to complete his Grand Slam haul and equal the record 14 'major ' wins by Pete Sampras . He traditionally uses the German follow-up event as his warm-up for Wimbledon which starts on June 22 . `` I sincerely apologise to the tournament organisers , my competitors , and my fans in Germany , '' Swiss world number two Federer said in a statement on his Web site . `` I only hope they will understand that I still feel emotionally overwhelmed and exhausted by the incredible events of the past few days . `` It is hard for me to admit , but I simply can not imagine giving my best effort in another tournament right away and I do n't want to risk injury if I am not 100 percent prepared . `` I need to rest and recuperate , but I look forward to returning to Halle in 2010 to go for my sixth title . '' Serb Novak Djokovic , who scored a straight sets win over Italy 's Simone Bolelli 7-5 6-2 in 84 minutes earlier in the day , has now been promoted to top seed . `` For my first game here , I was pretty happy , '' said Djokovic , who faces France 's Florent Serra in the second round . Djokovic is using the grass-court tournament to prepare for the next Grand Slam tournament -- and he hopes injury worry Rafael Nadal will be at Wimbledon to defend his crown . Nadal withdrew from the Queen 's tournament this week with a knee injury and the Spaniard says he will travel to London next week before making a final decision . `` I hope he makes it , it would be a shame for the tournament if the defending champion and world number one does n't play through injury , '' said Djokovic . Earlier , third-seeded Fernando Verdasco suffered a first round exit when he was beaten by Germany 's Philipp Petzschner 3-6 7-6 6-4 . Former world number one Lleyton Hewitt tipped Federer to set a new Grand Slam record at Wimbledon after easing into the second round at Queen 's . Australian Hewitt took just 44 minutes to sink Argentine Eduardo Schwank 6-1 6-0 and then turned his thoughts to Federer whose triumph in Paris saw him draw level with Pete Sampras on 14 Grand Slam wins . `` It was an amazing achievement , '' said Hewitt . `` His record speaks for itself . From what I saw of the match , he played his best tennis in the final . `` There was a lot of pressure and expectation on him . He came out and played one of his best matches . I think coming to Wimbledon is probably his favorite tournament of the year , so he 's going to be feeling pretty confident . '' He added : `` Roger 's going to be the one to beat . But Andy Murray has got a good chance , no doubt about that , both here and Wimbledon . He 's number three in the world at the moment and plays extremely well on this surface . '' Britain 's Murray , who is the top seed in the singles , and Hewitt won their opening doubles 3-6 6-3 12-10 on a match tie-break after dropping the first set to U.S. duo Rajeev Ram and Andy Roddick . Second-seeded Roddick began his challenge for a record fifth Queen 's title with a comfortable 6-1 6-4 second round victory over Kristof Vliegen .
French Open champion Roger Federer dramatically withdraws from Halle Open . Swiss world No . 2 is `` overwhelmed and exhausted '' after his triumph in Paris . - The U.S. women's national soccer team wins the World Cup for a record fourth time by defeating Japan 2-1 on penalties at the Rose Bowl Stadium in Pasadena, California.