Ladies Semi Finals day at Arthur Ashe Stadium

the Williams sisters came out swinging from the beginning this time, saving the only break point they faced and breaking the co-World No.1s four times en route to a comprehensive one-hour, five-minute, 63 61 victory. - See more at: http://www.wtatennis.com/news/article/3449567/title/williams-sisters-beat-world-no1s#sthash.os4wSEuh.dpuf

the Williams sisters came out swinging from the beginning this time, saving the only break point they faced and breaking the co-World No.1s four times en route to a comprehensive one-hour, five-minute, 63 61 victory. - See more at: http://www.wtatennis.com/news/article/3449567/title/williams-sisters-beat-world-no1s#sthash.os4wSEuh.dpuf

the Williams sisters came out swinging from the beginning this time, saving the only break point they faced and breaking the co-World No.1s four times en route to a comprehensive one-hour, five-minute, 63 61 victory. - See more at: http://www.wtatennis.com/news/article/3449567/title/williams-sisters-beat-world-no1s#sthash.os4wSEuh.dpuf

the Williams sisters came out swinging from the beginning this time, saving the only break point they faced and breaking the co-World No.1s four times en route to a comprehensive one-hour, five-minute, 63 61 victory. - See more at: http://www.wtatennis.com/news/article/3449567/title/williams-sisters-beat-world-no1s#sthash.os4wSEuh.dpuf