No, he hasn't won any championship this year since winning the Australian Open (2009) Boys' Singles title.
Arnold Palmer
Stan Walker
yes he won the Australian idol
Yes, The Netherlands have won Eurovision 4 times.
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.
peter Thompson
Greg Norman won the Australian Open five times: 1980, 1985, 1987, 1995, 1996
Rafael Nadal has won the Australian Open on one occasion - this coming in 2009, where he defeated Roger Federer in the final.
Yes, He has won the US Open, French Open, Australian Open, and Wimbledon multiple times and in one year including the Olympics.
The Australian Open 2014 Men's final was won by Stan Wawrinka.
Roger Federer has won the 2010 Australian Open
Kim Clijsters won against Li Na at the Australian Open in 2011.
Jiri Vasely won the boys junior championship of Australian Open 2011.
Yes nadal has won australian open. He defeated federer in the final. He has won all four grand slams.
Maria Sharapova won the Australian Open in 2008.
The Women's Singles title was won by Kim Clijsters at the 2011 Australian Open.