Images from Saturday's action at the U.S. Open
A photographic look at Saturday's men's singles semi-finals and women's doubles final
Spectators watch as Stanislas Wawrinka of Switzerland (R) plays Novak Djokovic of Serbia during their men's semi-final match at the U.S. Open tennis championships in New York September 7, 2013.MIKE SEGAR/Reuters
A praying mantis sits on a wall at court level at Arthur Ashe Stadium as players practice before the men's semi-finals of the 2013 U.S. Open tennis tournament, Saturday, Sept. 7, 2013, in New York.DAVID GOLDMAN/The Associated Press
Novak Djokovic of Serbia serves to Stanislas Wawrinka of Switzerland during their men's semi-final match at the U.S. Open tennis championships in New York September 7, 2013.KENA BETANCUR/Reuters
Stanislas Wawrinka, of Switzerland, returns a shot to Novak Djokovic, of Serbia, during the semi-finals of the 2013 U.S. Open tennis tournament, Saturday, Sept. 7, 2013, in New York.DARON CUMMINGS/The Associated Press
Actors Gene Wilder (L) and Sally Field (R) watch the men's semi-final match between Novak Djokovic of Serbia and Stanislas Wawrinka of Switzerland at the U.S. Open tennis championships in New York September 7, 2013.ADAM HUNGER/Reuters
Novak Djokovic of Serbia watches the ball after making a sliding shot to Stanislas Wawrinka of Switzerland during their men's semi-final match at the U.S. Open tennis championships in New York September 7, 2013.ADAM HUNGER/Reuters
Stanislas Wawrinka of Switzerland hits a return to Novak Djokovic of Serbia during their men's semi-final match at the U.S. Open tennis championships in New York September 7, 2013.EDUARDO MUNOZ/Reuters
Novak Djokovic of Serbia reacts after a missed point against Stanislas Wawrinka of Switzerland during their men's semi-final match at the U.S. Open tennis championships in New York September 7, 2013.ADAM HUNGER/Reuters
Novak Djokovic of Serbia pauses during a break in play against Stanislas Wawrinka of Switzerland during their men's semi-final match at the U.S. Open tennis championships in New York September 7, 2013.ADAM HUNGER/Reuters
Stanislas Wawrinka of Switzerland celebrates a point against Novak Djokovic of Serbia during their men's semi-final match at the U.S. Open tennis championships in New York September 7, 2013.KENA BETANCUR/Reuters
Novak Djokovic of Serbia stretches for a return to Stanislas Wawrinka of Switzerland during their men's semi-final match at the U.S. Open tennis championships in New York September 7, 2013.EDUARDO MUNOZ/Reuters
Novak Djokovic of Serbia celebrates after defeating Stanislas Wawrinka of Switzerland during their men's semi-final match at the U.S. Open tennis championships in New York September 7, 2013.ADAM HUNGER/Reuters
Novak Djokovic of Serbia is congratulated by Stanislas Wawrinka of Switzerland (R) after Djokovic won their men's semi-final match 2-6, 7-6 (4), 3-6, 6-3, 6-4 at the U.S. Open tennis championships in New York September 7, 2013.ADAM HUNGER/Reuters
A patron wears a hat with multiple buttons and pins as he attends the men's semi-final matches at the U.S. Open tennis championships in New York September 7, 2013.MIKE SEGAR/Reuters
The Sun begins to set behind clouds as Rafael Nadal of Spain faces Richard Gasquet of France in their men's semi-final match at the U.S. Open tennis championships in New York September 7, 2013.ADAM HUNGER/Reuters
Richard Gasquet of France serves to Rafael Nadal of Spain during their men's semi-final match at the U.S. Open tennis championships in New York September 7, 2013.ADAM HUNGER/Reuters
Actors Sean Connery (L) and Ben Stiller (R) smile as they watch the men's semi-final match between Rafael Nadal of Spain and Richard Gasquet of France at the U.S. Open tennis championships in New York September 7, 2013.MIKE SEGAR/Reuters
Rafael Nadal, of Spain, returns a shot to Richard Gasquet, of France, during the semifinals of the 2013 U.S. Open tennis tournament, Saturday, Sept. 7, 2013, in New York.CHARLES KRUPA/The Associated Press
Rafael Nadal of Spain wipes down during a break in play against Richard Gasquet of France during their men's semi-final match at the U.S. Open tennis championships in New York September 7, 2013.MIKE SEGAR/Reuters
Tennis great Boris Becker of Germany watches the match between Richard Gasquet of France and Rafael Nadal of Spain during the men's semi-finals at the U.S. Open tennis championships in New York September 7, 2013.MIKE SEGAR/Reuters
Richard Gasquet of France hits a return to Rafael Nadal of Spain during their men's semi-final match at the U.S. Open tennis championships in New York September 7, 2013.KENA BETANCUR/Reuters
Richard Gasquet of France wipes his face during a break in play against Rafael Nadal of Spain during their men's semi-final match at the U.S. Open tennis championships in New York September 7, 2013.ADAM HUNGER/Reuters
Rafael Nadal of Spain serves to Richard Gasquet of France during their men's semi-final match at the U.S. Open tennis championships in New York September 7, 2013.EDUARDO MUNOZ/Reuters
Rafael Nadal of Spain hits a return to Richard Gasquet of France during their men's semi-final match at the U.S. Open tennis championships in New York September 7, 2013.ADAM HUNGER/Reuters
Rafael Nadal of Spain celebrates after defeating Richard Gasquet of France 6-4 7-6(1), 6-2 in their men's semi-final match at the U.S. Open tennis championships in New York September 7, 2013.ADAM HUNGER/Reuters
Rafael Nadal of Spain is congratulated by Richard Gasquet of France (R) after his victory in their men's semi-final match at the U.S. Open tennis championships in New York September 7, 2013.ADAM HUNGER/Reuters
Andrea Hlavackova and Lucie Hradecka (L) of the Czech Republic celebrate after defeating Ashleigh Barty and Casey Dellacqua of Australia 7-6(4) 6-1 6-4 in their women's doubles final match at the U.S. Open tennis championships in New York September 7, 2013.EDUARDO MUNOZ/Reuters
Andrea Hlavackova and Lucie Hradecka (L) of the Czech Republic pose with their trophy defeating Ashleigh Barty and Casey Dellacqua of Australia in their women's doubles final match at the U.S. Open tennis championships in New York September 7, 2013.EDUARDO MUNOZ/Reuters