Images from Monday's action at the U.S. Open
A photographic look at play from the fourth and final tennis grand slam of 2013
Flavia Pennetta of Italy serves to Simona Halep of Romania at the U.S. Open tennis championships in New York September 2, 2013.EDUARDO MUNOZ/Reuters
Simona Halep of Romania holds an ice pack on her neck during a break in her match against Flavia Pennetta of Italy at the U.S. Open tennis championships in New York September 2, 2013.EDUARDO MUNOZ/Reuters
Alison Riske of the U.S. hits a return to Daniela Hantuchova of Slovakia at the U.S. Open tennis championships in New York September 2, 2013.RAY STUBBLEBINE/Reuters
Spectators wait under their umbrellas as rain halts play at the U.S. Open tennis championships in New York September 2, 2013.KENA BETANCUR/Reuters
Court workers wait in a flooded room as rain suspends play at the U.S. Open tennis championships in New York September 2, 2013.EDUARDO MUNOZ/Reuters
Spectators look on as a worker dries the court surface after rain suspended play at the U.S. Open tennis championships in New York September 2, 2013.EDUARDO MUNOZ/Reuters
Flavia Pennetta of Italy celebrates her win over Simona Halep of Romania at the U.S. Open tennis championships in New York September 2, 2013.EDUARDO MUNOZ/Reuters
Flavia Pennetta (R) of Italy is congratulated by Simona Halep of Romania after her 6-2 7-6(3) victory at the U.S. Open tennis championships in New York September 2, 2013.EDUARDO MUNOZ/Reuters
Daniela Hantuchova of Slovakia (L) is congratulated by Alison Riske of the U.S. after Hantuchova won their match 6-3 5-7 6-2 at the U.S. Open tennis championships in New York September 2, 2013.RAY STUBBLEBINE/Reuters
The Sun sets through the clouds as spectators watch a match at the U.S. Open tennis championships in New York September 2, 2013.EDUARDO MUNOZ/Reuters
David Ferrer, of Spain, takes a drink between games against Janko Tipsarevic, of Serbia, during the fourth round of the 2013 U.S. Open tennis tournament, Monday, Sept. 2, 2013, in New York.DAVID GOLDMAN/The Associated Press
Roger Federer of Switzerland hits a return to Tommy Robredo of Spain at the U.S. Open tennis championships in New York September 2, 2013.EDUARDO MUNOZ/Reuters
Tommy Robredo of Spain reacts after winning the first set against Roger Federer of Switzerland at the U.S. Open tennis championships in New York September 2, 2013. Robredo advanced with a 7-6 (3), 6-3, 6-4 victory.EDUARDO MUNOZ/Reuters
Ball boys stand by during a break in play in the match between Roberta Vinci of Italy and compatriot Camila Giorgi at the U.S. Open tennis championships in New York September 2, 2013.KENA BETANCUR/Reuters
Roberta Vinci, of Italy, reacts after beating Camila Giorgi, of Italy, 6-4, 6-2, during the fourth round of the 2013 U.S. Open tennis tournament, Monday, Sept. 2, 2013, in New York.DAVID GOLDMAN/The Associated Press
Tennis fans watch as Janko Tipsarevic, of Serbia, returns a shot to David Ferrer, of Spain, during the fourth round of the 2013 U.S. Open tennis tournament, Monday, Sept. 2, 2013, in New York.DAVID GOLDMAN/The Associated Press
David Ferrer of Spain celebrates match point in defeating Janko Tipsarevic of Serbia 7-6 (4), 3-6, 7-5, 7-6 (3) at the U.S. Open tennis championships in New York, September 2, 2013.EDUARDO MUNOZ/Reuters
Rafael Nadal, of Spain, yells on a serve against Phillipp Kohlschreiber, of Germany, during the fourth round of the 2013 U.S. Open tennis tournament, Monday, Sept. 2, 2013, in New York.CHARLES KRUPA/The Associated Press
Philipp Kohlschreiber of Germany returns a backhand to Rafael Nadal of Spain at the U.S. Open tennis championships in New York September 2, 2013.ADAM HUNGER/Reuters
Milos Raonic of Canada reaches for a forehand against Richard Gasquet of France at the U.S. Open tennis championships in New York September 2, 2013.RAY STUBBLEBINE/Reuters
Tennis fans watch a fourth round match between Richard Gasquet, of France, and Milos Raonic, of Canada, at the 2013 U.S. Open tennis tournament, Monday, Sept. 2, 2013, in New York.MIKE GROLL/The Associated Press
Milos Raonic, of Canada, returns a shot to Richard Gasquet, of France, during the fourth round of the 2013 U.S. Open tennis tournament, Monday, Sept. 2, 2013, in New York.MIKE GROLL/The Associated Press
Richard Gasquet of France celebrates after defeating Milos Raonic of Canada at the U.S. Open tennis championships in New York, September 2, 2013. Gasquet advanced with a 6-7 (7), 7-6 (7), 2-6, 7-6 (11), 7-5 decision.ADAM HUNGER/Reuters
Milos Raonic of Canada walks off the court after losing his match to Richard Gasquet of France at the U.S. Open tennis championships in New York, September 2, 2013.ADAM HUNGER/Reuters