Novak Djokovic
In 2010 Serena Williams won the Australian Open and Wimbledon
1976
federer
This year, Roger Federer
Roger Federer won
Andre Agassi won the Australian Open 4 times in 1995, 2000, 2001 and 2003. Andre Agassi won the Australian Open 4 times in 1995, 2000, 2001 and 2003.
Roger Federer has won the 2010 Australian Open
The Australian Open 2014 Men's final was won by Stan Wawrinka.
Yes, He has won the US Open, French Open, Australian Open, and Wimbledon multiple times and in one year including the Olympics.
Novak Djokovic won the Australian Open 2008. Before that, Marat Safin won the Australian Open in 2005. In between, Federer and Nadal swept every Grand Slam
This year, 2012. Australian Open- Novak Djokovic Roland Garros - Rafael Nadal Wimbledon - Federer US Open - Andy Murray
Kim Clijsters won against Li Na at the Australian Open in 2011.