Juan Martin del Potro admits he will not be physically 100 percent fit to face world number one Rafael Nadal in Friday's potentially blockbuster US Open semifinal.

Britain's Andy Murray said on Wednesday he is unlikely to play again this season due to a nagging hip injury that forced him to pull out of

Seven-time Grand Slam champion Venus Williams became the oldest semi-finalist in US Open history at age 37 on Tuesday by

Spain's Pablo Carreno Busta cruises into his first Grand Slam semifinal and American Sloane Stephens matches her best Slam showing by reaching the last four at the US Open.

Spain's Pablo Carreno Busta cruises into his first Grand Slam semifinal and American Sloane Stephens matches her best Slam showing by reaching the last four at the US Open.

Eight years after losing to Juan Martin del Potro in the US Open final, Roger Federer locks horns again with the giant Argentine in New

World number one Rafael Nadal notched up his 50th win at the US Open yesterday to reach the quarter-finals for the seventh time.

Maria Sharapova's Grand Slam return after a 15-month doping ban ended Sunday with a fourth-round defeat at the US Open but the

Battling back after a home-invasion knife attack last December that jeopardized her career, two-time Wimbledon winner Petra Kvitova match her top US Open performance and reach the quarter-finals.

Maria Sharapova's Grand Slam comeback after a 15-month doping ban ends in defeat at the US Open, as did the dream run of Canadian 18-year-old Denis Shapovalov.

Maria Sharapova rolls into the last 16 at the US Open by overpowering US teen Sofia Kenin while a wide-open side of the men's draw loses 2014 champion Marin Cilic.

Tennis superstar Serena Williams gives birth to a baby girl, prompting an outpouring of delight from fellow professionals, celebrities and fans of the sporting icon.

World number three Roger Federer survives his second scare in as many matches but hangs on to defeat Russian Mikhail Youzhny 6-1 6-7(3) 4-6 6-4 6-2 to reach the third round of the US Open on Thursday.

Former world number one Maria Sharapova battled back Wednesday to reach the third round of the US Open while next-generation rising stars Alexander Zverev and Nick Kyrgios crashed out.

Former world number one Maria Sharapova battles back to reach the third round of the US Open while next-generation rising stars Alexander Zverev and Nick Kyrgios crash out.

Ukraine's fourth-seeded Elina Svitolina, fighting to become world number one, and Austrian sixth seed Dominic Thiem captured rain-interrupted matches Wednesday to reach the second round of the US Open.

Maria Sharapova begins to explore just how well she can finish at the US Open after a successful and emotional Grand Slam comeback following a 15-month doping ban.

Rafael Nadal takes his US Open first-round record to 13-0 but Japanese teenager Naomi Osaka stole the headlines by knocking out defending champion Angelique Kerber as torrential rain cause more than 50 matches to be shelved Tuesday.

It was a performance as dazzling as the crystal-encrusted black dress she was wearing as Maria Sharapova warned

Maria Sharapova marks her first Grand Slam appearance since her doping ban ended with a 6-4, 4-6, 6-3 victory over second seed Simona Halep at the US Open on Monday.