2011 U.S. Open: Day 13 action
Jumping for joy
Serena Williams celebates after defeating No. 1 Caroline Wozniacki 6-2, 6-4 during their U.S. Open semifinal Saturday, Sept. 10, 2011.
Caroline Wozniacki runs down a shot from Serena Williams during their semifinal. Wozniacki, the top seed, has yet to win a major in her career.
A blur of a blast
In this image made with a slow shutter, Serena Williams returns a shot to Caroline Wozniacki.
Seeking a Slam title
Samantha Stosur celebrates after beating Angelique Kerber 6-3, 2-6, 6-2 to reach her second Grand Slam final.
Angelique Kerber hits a return to Samantha Stosur during their U.S. Open semifinal.
Samantha Stosur serves to Angelique Kerber during their U.S. Open semifinal. Stosur has been involved in three three-set matches in the tourney.
Rafael Nadal celebrates during his 6-4, 6-2, 3-6, 6-2 victory over Andy Murray in the U.S. Open semifinals Saturday. Nadal's victory took 3 hours, 24 minutes.
The evening skyline of Manhattan is seen from Arthur Ashe Stadium as Andy Murray appears on a large video screen during his loss to Rafael Nadal.
Andy Murray of Great Britain returns a shot to Rafael Nadal in their semfiinal.
Return to sender
Rafael Nadal reaches for a return to Andy Murray.
Agony of defeat
Andy Murray has yet to win a major in his career, coming up short again in his loss to Rafael Nadal.
Daring, darling Djokovic
Novak Djokovic celebrates after rallying from two sets down to beat Roger Federer in their U.S. Open semifinal Saturday. Djokovic won 6-7 (7), 4-6, 6-3, 6-2, 7-5, turning the crowd in his favor after nearly losing.
Roger, over and out
Roger Federer leaves after losing to Novak Djokovic. The Swiss star failed to win a Grand Slam tournament in 2011, the first time in nine years.