US Open: Serena Williams and Sania Mirza in the final.

If Serena wins US Open Germany's star player, he will become the first woman since Steffi Graf in a year be achieved at all four Grand Slam, 

On the ninth day of the US Open tennis tournament, where Serena Williams beat her sister reached the semifinals in women's singles competitions pair of Sania Mirza and Hingis in the women's doubles semi-finals have been achieved .
US Open tennis tournament in New York, the two sisters compete in singles competition, which was won by world number one Serena Williams.
Serena Williams and her sister Venus Williams (rank 23) than the relatively easy 2-6, 6-1, 3-6 defeat.
33-year-old Serena Williams in the semi-final against Italy's Roberta Vinci will be on Thursday. Roberta Vinci believed that the rankings have not found yet.