World number one Rafael Nadal was installed as the top men's seed for the US Open on Monday as the Spaniard bids to complete a career grand slam.
US Open champion Juan Martin Del Potro will be unable to defend his title this month, having failed to recover from a wrist injury which has kept him out since January.
Serena Williams returns to the Arthur Ashe Stadium on Sunday
World number three Novak Djokovic and US Open champion Juan Martin del Potro kicked off their Australian Open preparations with easy first-round wins at the Kooyong Classic in Melbourne on Wednesday. Del Potro cruised to a 6-3, 6-3 victory over Croatian Ivan Ljubicic, before Serbian Djokovic made light work of experienced German Tommy Haas 6-2, 6-3 at the eight-man invitational event.
Nadal, who is the clear tournament favourite and looks to be in the form of his life on clay this season, raced into a 3-0 lead before Spanish compatriot Almagro felt his left knee with less than half an hour played.
Roger Federer is looking forward to facing his great rival for the French Open crown a year after Rafael Nadal missed their rendezvous in the final. With usual contenders Nikolay Davydenko of Russia and Argentine Juan Martin Del Potro having pulled out injured, the road looks clearer for another Roger versus Rafa classic.
Since his June trek with his wife up Mont Sainte-Victoire, the mountain that famously also served as an inspiration for Paul Cezanne, the 31-year-old has added a pair of Grand Slam titles to his resume.
US Open champion Juan Martin Del Potro will stand in for Roger Federer at the invitational Kooyong Classic in January if the Swiss world number one decides against defending his title, organisers said on Tuesday.
Look who we spotted at the Flushing Meadows this year.
Top seed Andy Roddick advanced to the Memphis Championship final with a 6-3, 6-4 win over Juan Martin Del Potro on Saturday and will face big-hitting Canadian Milos Raonic.
US Open champion Juan Martin del Potro posed for photographers atop the Empire State Building in New York on Tuesday morning.
Lucky loser Taro Daniel will replace Nadal in the second round against Jo-Wilfried Tsonga.
The world number one had arrived in Tokyo aiming to become the first man to win all four majors and an Olympic gold medal in the same calendar year. But that quest came to an end after he was beaten by fifth-ranked German Alexander Zverev in Friday's semi-final.
List of US Open men's singles champions since tennis turned professional in 1968.
Russia's Nikolay Davydenko hopes his dazzling displays to win the ATP World Tour Finals title will finally allow him to step out of the shadow of compatriot Marat Safin who retired this month.
Juan Martin del Potro survived a tight tussle to squeeze past Swede Robin Soderling 6-7, 6-3, 7-6. He will Nikolay Davydenko, who ended seven years of pain against Roger Federer on Saturday, beating the world number one 6-2, 4-6, 7-5 to reach the final of the ATP World Tour Finals for a second successive year.
World No 1 Roger Federer squeezed into the semi-finals of the ATP World Tour Finals on Thursday despite a 6-2, 6-7, 6-3 defeat by Juan Martin del Potro but Briton Andy Murray literally missed out by a fraction.
World number one Roger Federer will face his US Open conqueror Juan Martin del Potro in the round-robin stage of the ATP Tour finals after getting the rough end of Wednesday's draw for the season finale. The Swiss, who is not guaranteed to end the year on top of the rankings, will also face Britain's Andy Murray and Spain's Fernando Verdasco in Group A at the eye-catching O2 Centre alongside the River Thames when play starts on Sunday.
Marat Safin, widely regarded as one of the most gifted players of his generation, brought down the curtain on a chequered career when he bowed out to US Open champion Juan Martin del Potro in the Paris Masters.
Former world number one Marat Safin ended his playing career with a 6-4, 5-7, 6-4 defeat by US Open champion Juan Martin del Porto at the Paris Masters on Wednesday.
World number one Roger Federer missed out on a fourth successive Swiss Indoors title when he lost to third-ranked Novak Djokovic in the final of his hometown tournament on Sunday. The Serbian won 6-4, 4-6, 6-2 to record his third win over Federer in five meetings this year.
Jurgen Melzer upset top seed Marin Cilic 6-4, 6-3 in the final of the Vienna Open on Sunday to become the first home player to win the tournament for 21 years.
Top seed Marin Cilic stayed on course for a third ATP title this year with a comfortable victory over Spain's Feliciano Lopez in their Vienna Open quarter-final on Friday.
American Andy Roddick has booked his place at the World Tour Finals with four weeks of the season remaining, the ATP said on Tuesday.
Top seed Rafa Nadal marched into the last 16 of the Shanghai Masters with a thoroughly entertaining 6-2, 6-7, 6-4 victory over American James Blake on Wednesday.
World number two Rafael Nadal has pulled out of next week's Thailand Open because of an abdominal injury, organisers said on Monday. The Spaniard was due to visit the Kingdom this week for a beach holiday ahead of the $608,500 tournament in Bangkok. He will stay in Spain to receive treatment for what his doctor said is an acute rupture of an abdominal muscle.
US Open champion Juan Martin del Potro was greeted by thousands of fans and feted with rock band Queen's seminal "We are the Champions" when he made a triumphant return to his hometown of Tandil on Thursday.
Newly-crowned US Open champion Juan Martin del Potro said he had set his sights on becoming world number one and winning the Masters after being given a hero's welcome home to Argentina on Wednesday.
Roger Federer sought consolation in a golden summer rather than dwelling on defeat after his upset loss to Juan Martin del Potro in the US Open final.
Argentine sixth seed Juan Martin del Potro beat Rafael Nadal 6-2, 6-2, 6-2 on Sunday to reach his first Grand Slam final.
Former U.S. Open champion Juan Martin del Potro stepped up his comeback from another wrist surgery by toppling top seed Fabio Fognini at the Sydney International on Wednesday.
Briton Andy Murray overcame sweltering heat to beat Argentine Juan Martin del Potro 6-7, 7-6, 6-1 in the Montreal Masters final on Sunday. A day after replacing Rafael Nadal as world number two, Murray delivered a gritty performance to wear down the towering Argentine in two hours, 42 minutes.
Andy Murray prized the world number two ranking from Rafael Nadal on Saturday by beating Jo Wilfried-Tsonga 6-4, 7-6 to book a final clash with in-form Argentine Juan Martin Del Potro at the Montreal Masters.
Canadian teenager Denis Shapovalov believes his first season on the ATP Tour has helped him grow into a better player and he is relishing the challenges ahead.
Serena Williams faces her first seeded opponent at the French Open on Thursday and will hope to use her booming serve to beat Australian Ashleigh Barty in the second round.
Former world number one Serena Williams returns to Grand Slam action for the first time in over 15 months, when she goes up against Czech Kristyna Pliskova in the French Open first round.
Lleyton Hewitt returned to his old stomping ground at Wimbledon's Centre Court on Thursday to score the biggest upset in the men's draw so far with a 6-3, 7-5, 7-5 win over fifth seed Juan Martin Del Potro.
Making women play best of five-set matches at the grand slams would be a waste of time because they are not fit enough to last the distance, former Wimbledon champion Lleyton Hewitt said on Tuesday.
Top seed Rafael Nadal overcame fellow Spaniard Fernando Verdasco 6-3, 6-3 at the Rome Masters on Friday while Roger Federer beat German qualifier Mischa Zverev 7-6, 6-2 to book a semi-final with holder Novak Djokovic. Serb Djokovic eased through with a 6-3, 6-4 triumph over Argentine fifth seed Juan Martin Del Potro. Nadal next faces Chilean 12th seed Fernando Gonzalez, a 2-6, 6-3, 6-4 winner over Argentine qualifier Juan Monaco.
World number two Roger Federer fended off a feisty challenge from German qualifier Mischa Zverev on Friday to win 7-6, 6-2 and set up a semi-final against defending champion Novak Djokovic. Serbian Djokovic eased confidently into the last four with a 6-3, 6-4 win over Argentine fifth seed Juan Martin Del Potro.