Hewitt 's team included Roger Federer , Novak Djokovic , Ana Ivanovic , Justine Henin and Caroline Wozniacki , while Rafter led Rafa Nadal , Andy Roddick , Andy Murray , Victoria Azarenka , Vera Zvonareva and Kim Clijsters . Roger Federer and Rafael Nadal play in Rally for Relief in aid of Queensland floods . Women 's top players including Vera Zvonareva and Kim Clijsters also lend support . The Australian Open is the first Grand Slam event to be held on a Sunday since Wimbledon was moved from Monday because it clashed with the US Open, which will take place at Flushing Meadows next week. Nearly $ 2 million already raised from the event at Rod Laver Arena in Melbourne .
Roger Federer and Rafael Nadal play in Rally for Relief in aid of Queensland floods . Women 's top players including Vera Zvonareva and Kim Clijsters also lend support . The Australian Open is the first Grand Slam event to be held on a Sunday since Wimbledon was moved from Monday because it clashed with the US Open, which will take place at Flushing Meadows next week. Nearly $ 2 million already raised from the event at Rod Laver Arena in Melbourne .