The Women's Singles title was won by Kim Clijsters at the 2011 Australian Open.
Ana Ivanovic of Serbia in 2008.
Saina Nehwal (India)
Singles- Serena Williams. Doubles- Venus and Serena Williams.
Martina Hingis defeated Venus Williams, 6-0 and 6-4, to win the 1997 US Open Women's singles championship.
Kim Clijsters won against Li Na at the Australian Open in 2011.
The 2011 US golf open was won by Rory Mcilroy and the 2011 US tennis open, was won in the mens by Novak Djokovic and in the womens by Samantha Stosur.