Martin del Potr has suffered with a knee injury and told fans that this month's tournaments in Argentina and Brazil would be his last.
Roger Federer claimed an eighth Swiss Indoor title when he outlasted Argentina's Juan Martin del Potro 6-7(5), 6-4, 6-3 in front of a partisan Basel crowd on Sunday.
'If I'm honest I have to say that I'm not here for a miraculous comeback like on other occasions. I know the limitations I have physically, and we'll see later.'
Top seed Juan Martin del Potro beat Canada's Milos Raonic in the battle of big-servers on Sunday to bag the Japan Open title and boost his chances of qualifying for the end-of-season ATP World Tour finals in London.
World number one Novak Djokovic was dumped out of Rio Games in the first round on Sunday by Argentina's Juan Martin del Potro, who also defeated him in the bronze medal match at the London Olympics.
Swiss third seed Stanislas Wawrinka outlasted tiring former champion Juan Martin del Potro in four sets to advance to the semi-finals of the US Open on Wednesday.
Defending champion Fernando Verdasco ended Juan Martin del Potro's hopes of reaching a first final following a long injury layoff with a 6-4, 6-4 victory in the semi-finals of the San Jose Open on Saturday.
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.
Third seed Juan Martin Del Potro of Argentina withdrew from the Vienna Open on Thursday because of a niggling toe injury. After suffering further inflammation overnight the 20-year-old Del Potro pulled out of his second-round match with Philipp Kohlschreiber, allowing the German through to a quarter-final meeting with Spanish fifth seed Fernando Verdasco.
Juan Martin del Potro demolished Igor Andreev in straight sets on Sunday to give Argentina a 3-2 win over Russia and send them into a Davis Cup final against Spain.
Top seeded Argentine Juan Martin del Potro moved a step closer to the successful defense of his Swiss Indoors title when he beat Marcos Baghdatis 6-1, 6-2 for a third time this season.
World No 2 Novak Djokovic produced a magical display to overcome the ferocious hitting of Argentine Juan Martin del Potro and successfully defend the Shanghai Masters title on Sunday.
World number seven Juan Martin Del Potro of Argentina has pulled out of next week's French Open tennis after failing to recover from a virus, Argentine media reported on Wednesday.
Roger Federer and Juan Martin del Potro will meet on Sunday for the first time since their epic Olympic Games clash after both beat French opponents to reach the final of the Basel Open.
Argentine Juan Martin Del Potro claimed his 10th career ATP title when he beat local favourite Michael Llodra 6-4, 6-4 in the final of the Marseille Open on Sunday.
Roger Federer outclassed Argentina's Juan Martin del Potro 6-1, 6-4 in the final of the World Indoor Tournament on Sunday to win his first title of the year.
Britain's Andy Murray beat Argentina's Juan Martin del Potro 7-5, 4-6, 6-2, 7-5 in a compelling and gruelling Olympic tennis final on Sunday to become the first player to successfully defend the title.
Novak Djokovic extended his winning streak to 17 matches by beating Juan Martin del Potro 6-3, 7-6 in the Dubai tennis championship semi-finals on Friday to stay on track for a potential final with holder Roger Federer.
Former US Open champion Juan Martin del Potro eased into the second round of the Indian Wells WTA tournament with a 6-4, 6-0 demolition of Czech Radek Stepanek on Thursday.
Juan Martin Del Potro, world number 165, was feeling "so alive" that by the time the match hit the mid-way point of the second set, Stan Wawrinka did not know what had hit him.
Juan Martin del Potro believes he can muscle his way into the world's top four next year after returning to the kind of form that propelled him to the US Open title three years ago.
Juan Martin Del Potro of Argentina overcame a shaky opening set to defeat big-serving American John Isner 3-6, 6-1, 6-2 on Sunday and win the $1.3 million Citi Open, underscoring his status as a major threat at the upcoming U.S. Open.
Juan Martin del Potro's comeback trail will collide with Roger Federer's after the Argentine won his opening Miami Open match against compatriot Guido Pella on Wednesday.
Top seed Juan Martin del Potro of Argentina took advantage of a long rain delay to defeat Germany's Tommy Haas 7-6(4), 6-3 on Saturday and reach the final of the $1.3 million Citi Open.
World number three Roger Federer cast aside bad memories to defeat Argentina's Juan Martin Del Potro 6-3,7-5 at the Cincinnati Open on Tuesday.
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.
Juan Martin del Potro saved three match points in a thrilling final at the BNP Paribas Open on Sunday before handing world number one Roger Federer his first loss of the year and claiming his maiden Masters 1000 title.
Second seed Novak Djokovic overpowered seventh-seeded Argentine Juan Martin del Potro 7-5, 6-3 in the opening match of the Masters Cup on Sunday. In the day's second match, fourth-seeded Nikolay Davydenko defeated sixth seed Jo-Wilfried Tsonga 6-7, 6-4, 7-6 after fending off a dramatic comeback by the Frenchman in the third set before a roaring crowd.
Argentine Juan Martin Del Potro ended top seed David Ferrer's reign as Japan Open champion with a 6-1, 7-5 quarter-final victory.
Teenager Juan Martin del Potro, making his Davis Cup home debut, demolished a listless Nikolay Davydenko 6-1, 6-4, 6-2 to put Argentina 2-0 ahead in their semi-final against Russia on Friday. David Nalbandian drew first blood for Argentina with a 7-6, 6-2, 6-4 win over Igor Andreev.
India number one Somdev Devvarman registered the biggest win of his career, beating world No 5 Juan Martin Del Potro in the first round of the Dubai Duty Free Championships, on Tuesday. The victory, though, was achieved after the Argentine retired mid-way through the contest.
Somdev Devvarman's challenge in the Dubai Duty Free Championship ended on Wednesday when he was beaten by fourth seed Juan Martin Del Potro of Argentina in the second round.
Juan Martin Del Potro spoiled Andy Roddick's return to the tour after a month-long hiatus by upsetting the top seed and world number five 3-6, 7-5, 7-6 to win the Washington Classic on Sunday.
Juan Martin del Potro's return to tennis fell short of a fairytale ending on Saturday as the Argentine lost to American Sam Querrey 7-5 7-5 in the semi-final of the Delray Beach Open. The former U.S. Open champion Del Potro made his comeback at Delray Beach after an 11-month layoff following two surgeries on his left wrist. He had looked strong in his run to the semi-finals but Querrey checked his momentum by breaking his powerful serve in each set at 5-5 -- the only two breaks of the match. Del Potro, 27, was aiming to recapture his magic at Delray Beach where he enjoyed comeback success by winning the 2011 title after fighting his way back form wrist surgery.
Argentine fifth seed Juan Martin del Potro overcame a bout of jitters to stroll into his first grand slam semi-final with a 6-3 6-4 6-2 win over Spaniard Tommy Robredo at the French Open on Wednesday.
The Swiss played some of his best tennis this year but it was still not enough to stop him from being on the receiving end of a 7-6 (3), 2-6, 6-4 defeat against the powerful Argentine and his 220 kph serve.
Top seed Juan Martin del Potro will play sixth seeded American Sam Querrey in the Auckland Open final after both advanced to the title match in contrasting style on Friday.
Battle-scarred Argentine Juan Martin del Potro clinched his 21st career title with a 6-4, 6-4 win over Kevin Anderson in the Mexican Open final in Acapulco on Sunday.
Juan Martin del Potro rued not being able to take the chances that fell his way in Sunday's US Open final but was full of admiration for the quality of champion Novak Djokovic's play.
Former world number one Mats Wilander says only two things can keep Roger Federer from advancing - injury and distraction.