Agnieszka Radwanska

Maria Sharapova returns a shot against Alexandra Dulgheru during their second-round match at the US Open on Aug. 27, 2014. (Photo by Streeter Lecka/Getty Images)

No. 5 Sharapova Avoids Becoming Another Notable Upset On Day 3 Of Open

Maria Sharapova rallied from a set down to overcome a shaky serve and advance at the U.S. Open.

08/27/2014

Andy Murray returns a shot against Robin Haase during their first round match on the opening day of the US Open at the USTA Billie Jean King National Tennis Center on Aug. 25, 2014. (Photo by Julian Finney/Getty Images)

Murray Battles Cramps, Gets Through 4-Set Challenge From Haase

Spinning in 70 mph second serves, grabbing at his hamstrings, Andy Murray gritted his way through cramps to win his first-round match at the U.S. Open.

08/25/2014

Serena Williams (Photo by Jonathan Moore/Getty Images)

Serena Williams Seeded No. 1 At US Open; Simona Halep 2nd

Top-ranked Serena Williams is seeded No. 1 as she seeks her third straight U.S. Open title.

08/20/2014

Novak Djokovic (Photo by Matthew Stockman/Getty Images)

Djokovic Settles Down, Defeats Benjamin Becker To Advance To 3rd Round

Novak Djokovic faced two set points early in his second-round match at the US Open. But he saved them, won the set, then needed less than an hour to close out a victory.

08/30/2013

Na Li of China celebrates a point during her women's singles third-round match against Laura Robson of Great Britain. (Photo by Clive Brunskill/Getty Images)

Li Na Avenges Loss To Laura Robson In US Open 3rd Round

The fifth-seeded Li avenged her third-round upset loss to the young Brit at last year’s US Open, winning in straight sets Friday at the same stage at Flushing Meadows.

08/30/2013

Serena Williams (credit: LUIS ACOSTA/AFP/GettyImages)

Serena Williams Wins Rogers Cup In Romp

The top-ranked woman breezed to her third Rogers Cup title Sunday with a 6-2, 6-0 victory over unseeded Romanian Sorana Cirstea. This was her eighth WTA title of the year and the 54th of her career.

08/11/2013

Agnieszka Radwanska of Poland returns a shot against Jelena Jankovic of Serbia during their women's singles third round match on Day Six of the 2012 US Open at USTA Billie Jean King National Tennis Center on September 1, 2012.  (Photo by Elsa/Getty Images)

Radwanska Cruises Past Jankovic

Agnieszka Radwanska cruised past Jelena Jankovic and into the fourth round of the US Open.

09/01/2012

Jo-Wilfried Tsonga (Photo credit should read DON EMMERT/AFP/GettyImages) and Mardy Fish (Photo by Al Bello/Getty Images)

Fifth-Seeded Jo-Wilfried Tsonga Upset; American Mardy Fish Rallies To Win In Five

This US Open finally got its first shocker. After three days of the top players winning decisively, fifth-seeded Jo-Wilfried Tsonga was upset by Martin Klizan of Slovakia in the second round.

08/30/2012

Agnieszka Radwanska of Poland returns a shot against Nina Bratchikova of Russia.  (Photo by Elsa/Getty Images)

Second-Seeded Agnieszka Radwanska Punishes Bratchikova In Just 54 Minutes

Radwanska beat Nina Bratchikova of Russia 6-1, 6-1 on Tuesday to start play at Arthur Ashe Stadium. The 91st-ranked Bratchikova had 28 unforced errors to only six for Radwanska.

08/28/2012

(credit: Clive Brunskill/Getty Images)

U.S. Open Draw: Federer, Murray On Collision Course For Marquee Rematch

Federer beat Murray in July for his record-tying seventh championship at Wimbledon; Murray beat Federer this month on the same Centre Court grass for the gold medal.

08/23/2012

Victoria Azarenka/file (credit: STAN HONDA/AFP/Getty Images)

Top-Ranked Victoria Azarenka Seeded No. 1 At U.S. Open; Serena Seeded Fourth

Top-ranked Victoria Azarenka will be seeded No. 1 at the U.S. Open, with 2006 champion Maria Sharapova at No. 3 and three-time winner Serena Williams at No. 4.

08/22/2012