This year, Roger Federer
federer
serena williams
In 2010 Serena Williams won the Australian Open and Wimbledon
the Australian open winner was Serena WilliamsThe French Open winner was Francesca SchiavoneWimbledon was won by Serena Williamsthe US open was won by KIm clijsters
Thomas Johansson.
At the moment in the Men's it is Roger Federer and in the women's it is Serena Williams, (they both won the 2010 Australian Open as well)
Gary hatch
Yes, in 2010 Serena won australian open champion 2010 title.
Roger Federer has won the 2010 Australian Open
Rafael Nadal won the 2010 U.S. Open in men's singles.
Hana Mandlíková.
Maria Sharapova