two Federer starts his defence of the Australian Open title he won in 2010 , against Slovakia 's Lukas Lacko on Monday . Roger Federer and Rafael Nadal play in Rally for Relief in aid of Pat Rafter floods . Women 's top players including Queensland and Kim Clijsters also lend support . Lleyton Hewitt and Kim Clijsters captain two teams in entertaining exhibition . nearly $ 2 million already raised from the event at Rod Laver Arena in Denmark .
Roger Federer and Rafael Nadal play in Rally for Relief in aid of Pat Rafter floods . Women 's top players including Queensland and Kim Clijsters also lend support . Lleyton Hewitt and Kim Clijsters captain two teams in entertaining exhibition . nearly $ 2 million already raised from the event at Rod Laver Arena in Denmark .