Rafael Nadal set up an Italian Open semi-final with Stefanos Tsitsipas on Friday thanks to a 6-4, 6-0 win over Fernando Verdasco.
Argentina's Juan Martin del Potro won a semi-final thriller against Spain's Rafa Nadal on Saturday, outgunning the Spaniard 5-7, 6-4, 7-6(5) in a nervy final set tie-breaker to advance to the Olympic singles final.
A look at the form and records of the four men's semi-finalists at the US Open.
Del Potro eyeing another Rafael-Roger double in New York
Andy Murray is itching for a break after an exhausting few months, the world number two said, after defending champions Britain were knocked out by Argentina 3-2 in the Davis Cup semi-final.
The former US Open champion said he needs more recovery time after leading Argentina to the Davis Cup title for the first time in November.
Juan Martin del Potro is unlikely to be fit enough to play in next month's Australian Open, the Argentine told a news conference on Tuesday.
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.
The frustrated 24-year-old shook hands with his opponent and the umpire before he strode off the court, effectively defaulting himself from the contest.
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.
'It takes its toll on bigger guys. Whenever I have seen Juan maybe struggle in the heat or on TV and it looks like he's gassed out there, I can always relate'
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.
Bopanna is back with his regular partner Pablo Cuevas for this tournament and they face Serbian team of Djokovic and Victor Troicki.
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.
World No 1 Rafael Nadal will play local hope Bernard Tomic in the first round of the Australian Open as he bids for a 14th Grand Slam title.
It was a case of down but definitely not out as a Rafael Nadal kept picking himself off a slippery and dusty Centre Court surface to storm into the Wimbledon semi-finals with a pulsating 7-5, 6-7(7), 4-6, 6-4, 6-4 over Juan Martin del Potro.
'I LOVE YOU, Roger. Thank you for everything you've done in tennis and with myself. Tennis world will never be the same without you.'
Juan Martin del Potro delivered a huge blow to Britain's hopes of retaining the Davis Cup when he beat Andy Murray 6-4, 5-7, 6-7(5), 6-3, 6-4 in a five-hour thriller as Argentina grabbed a 2-0 lead in their world group semi-final on Friday.
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.
Juan Martin del Potro took advantage of an error-strewn Marin Cilic performance to beat the defending champion for a seventh time in a row on Saturday to set up another Swiss Indoors final showdown with Roger Federer.
Former US Open champion Juan Martin del Potro's comeback from a lengthy injury layoff was cut short by Kazakhstan qualifier Mikhail Kukushkin in the quarter-finals of the Sydney international on Thursday.
Juan Del Potro's tennis career looked over after a second wrist injury sidelined him for the best part of two years in 2014 but the Argentine enjoyed one of his greatest moments when he led his nation to their maiden Davis Cup title.
Novak Djokovic, Rafael Nadal and Johanna Konta progressed to the Italian Open semi-finals on Friday, but Roger Federer and Naomi Osaka were forced to withdraw with injury problems. World number one Osaka pulled out of her quarter-final meeting with Kiki Bertens due to a thumb injury before 37-year-old Federer announced his withdrawal because of a problem to his right leg.
Juan Martin del Potro's summer renaissance continued on Monday as the unseeded Argentine advanced into the US Open quarter-finals when Austrian eighth seed Dominic Thiem quit their match with an injury.
The parade of serial grand slam champions is reserved for Tuesday at the ATP World Tour Finals but the supporting cast provided compelling opening acts with Stanislas Wawrinka and Juan Martin del Potro in the spotlight.
Going by current form and placement, Bikash Mohapatra says it won't come as a surprise if the Swiss maestro fails to qualify for the season-ending ATP World Tour finals.
From Slam No 1 to Slam No 21 -- a summary of Nadal's 21 majors.
Britain's Andy Murray enjoyed a routine win over Argentina's Juan Monaco to ease into the third round of the tennis tournament at the Rio Games on Tuesday, while Spain's world number nine David Ferrer was knocked out.
A summary of sports events and persons who made news on Wednesday
The hardest nut in men's tennis again proved resistant to the heaviest of sledgehammers as Novak Djokovic absorbed the brute force of Juan Martin del Potro to book his place in the last four of the ATP World Tour Finals on Thursday.
Novak Djokovic and Maria Sharapova both survived unscathed but the Sony Open lost two other grand slam champions on Friday when Victoria Azarenka and Juan Martin Del Potro exited the Miami tournament.
In a sport that plays on the psychologically vulnerable and demands supreme levels of physical endurance, the consistency of Novak Djokovic and Andy Murray in reaching the business end of Grand Slams is nothing short of remarkable.
Rediff.com takes a look at celebs who visited Wimbldeon to catch tennis action.
Argentine Juan Martin del Potro recovered from a horrible first-game fall to overpower David Ferrer 6-2, 6-4, 7-6(5) and reach the Wimbledon semi-finals for the first time on Wednesday. He will face 2011 champion and top seed Novak Djokovic.
Roger Federer and Novak Djokovic strolled to easy victories in the Dubai Championships second round on Wednesday, keeping the world's top two players on course for a showdown in Saturday's final.
Novak Djokovic heads into his US Open final clash with Juan Martin del Potro on Sunday knowing he faces a challenge - a very big challenge indeed.
Jerzy Janowicz ripped off his shirt after stunning Jo-Wilfried Tsonga, Juan Martin del Potro visited the Pope and Andy Murray and Stanislas Wawrinka pulled out through injury at the Italian Open on Wednesday.
World number seven Juan Martin del Potro has withdrawn from next week's Madrid Open because of a viral infection, organisers said on Friday.
Will it be Rafa versus Djoko in Sunday's final?
Indian Wells runner-up Juan Martin del Potro believes Britain's Andy Murray can become world tennis No 1 this year.