Hana Mandlikova
The Williams sisters
Serena Williams won the 2009 Australian Open Women's Singles title. She defeated Dinara Safina in the final. This was Serena Williams' fourth Australian Open Singles title.
Bob and Mike Bryan.
Ksenia Pervak
Svetlana Kuznetsova was the champion in the year 2009 and Dinara Safina was the runner up.
Rafael Nadal has won the Australian Open on one occasion - this coming in 2009, where he defeated Roger Federer in the final.
No, he hasn't won any championship this year since winning the Australian Open (2009) Boys' Singles title.
For 2011, the winner of the Australian Open are as follows: Men's Singles: Novak Djokovic Women's Singles: Kim Clijsters Men's Doubles: Bob & Mike Bryan Women's Doubles: Gisela Dulko & Flavia Pennetta
Nadal won the men's singles against Federer and Serena Won the women's against Safina
Mahesh Bhupathi and Sania Mirza of India.
Roger Federer has won the 2010 Australian Open