( CNN ) -- Sports superstar Roger Federer has organized a charity event to raise funds for the victims of the Haiti earthquake , as the tennis world rallies to contribute to the cause . Federer , the world 's top-ranked player , will take part in an exhibition event in Australia on Sunday along with other top names such as Rafael Nadal , Andy Roddick , Kim Clijsters , Serena Williams and Samantha Stosur . They will play in doubles matches at Melbourne Park in the state of Victoria 's capital city , giving up their last day of preparation ahead of this year 's opening Grand Slam tournament , the Australian Open . `` The entry fee is a minimum donation of $ 10 . This should be fun and it 's for a great cause , '' the Swiss said on his official Web site . `` I think it 's something as a tennis family we 're very happy to do . I know it 's on the eve of the first Grand Slam of the season , so for some it 's not so easy maybe mentally to separate a few things -- but I think it 's a great initiative . `` The devastating earthquake which hit Haiti on Tuesday measured 7.0 on the Richter Scale and has left tens of thousands of people dead . The United Nations has launched an appeal for hundreds of millions of dollars to try to help around three million people in need . '' Blog : Haiti can expect sporting support . Federer supports several charities , having launched his own foundation in 2003 to help disadvantaged children . The 28-year-old , who has won more Grand Slam titles than any other male tennis player , also visited tsunami victims as part of his role as a UNICEF Goodwill Ambassador . Meanwhile , Marcos Baghdatis , who lost to Federer in the final of the 2006 Australian Open , has donated $ 5,000 of his prize money for winning the Sydney International tournament on Saturday to the World Vision Australia Haiti Earthquake Appeal . `` The situation in Haiti is really , really sad , '' the Cypriot told the ATP Tour 's official Web site . `` I have seen the pictures on the news and it is just horrific . I want to send my condolences to everyone affected by the earthquake . '' World No . 42 Baghdatis beat France 's Richard Gasquet 6-4 7-6 ( 7-2 ) in the final , coming back from 4-1 down in the second set . Gasquet , who has dropped to 53rd in the rankings after serving a ban for testing positive for cocaine last year which was later reduced due to mitigating circumstances , was seeking his first title since September 2007 . Sydney doubles champions Daniel Nestor and Nenad Zimonjic both donated five percent of their prize money to the appeal . `` I do n't think we can fully comprehend the devastation of the earthquake over in Haiti , and we just want to do our part in helping everyone who is suffering during this difficult time , '' Nestor told www.atpworldtour.com . American John Isner also contributed to the relief fund , donating $ 5,000 to the Red Cross from his first prize for winning the men 's tournament in Auckland , New Zealand . `` It 's a small contribution to help the victims in Haiti . What happened there makes us realize how lucky we are , '' said Isner , who defeated France 's Arnaud Clement 6-3 5-7 7-6 ( 7-2 ) in the final of the Heineken Open on Saturday to claim his first ATP Tour title .
Roger Federer organizes a charity event to raise funds for victims of the Haiti earthquake . Federer and other top tennis stars will take part in doubles exhibition in Australia on Sunday . The players will give up final day of preparation before the Australian Open starts . Other players have donated part of their prize money to raise funds for relief operation .