Ksenia Pervak
2009-Roger Federer
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.
Australian Open Champion: 2009 French Open Champion: 2006, 2007, 2008, 2009 Wimbledon Champion: 2008 World #1 end of 2008- June of 2009 Davis Cup Champion 2008-2009 he has many other achievements but those r the main ones
Juan Martin Del Potro
The matches have yet to be played for 2009. If you are asking about the 2008 singles champion, that would be Roger Federer and Serena Williams.
Serena Williams
The Men's Singles C'ship at the Australian Open this year(2009).
In 2009, there were 61 countries represented.
Svetlana Kuznetsova was the champion and Dinara Safina was the runner up
Nadal won the men's singles against Federer and Serena Won the women's against Safina
The final match was played between Dinara Safina and Serena Williams. Serena Williams won the match. This was Serena Williams' fourth Australian Open Singles title.
No, he hasn't won any championship this year since winning the Australian Open (2009) Boys' Singles title.