Three-time champion Novak Djokovic battled past Frenchman Corentin Moutet in a match that lasted more than three hours on Thursday.
Roger Federer chalked up yet another record when victory over Janko Tipsarevic at the ATP World Tour Finals on Tuesday put him top of the list for match wins at the traditional season-ender. The 17-times Grand Slam champion cruised to a 6-3, 6-1 victory over the Serbian world number nine, taking his haul of victims in the event to 40, one more than Ivan Lendl.
Russian sixth seed Anastasia Pavlyuchenkova claimed her third title of the year by beating seventh-seeded Australian Daria Gavrilova in the final of the Hong Kong Tennis Open on Sunday.
Novak Djokovic may have played at the Madrid Open for the last time after crashing out
He will surpass Roger Federer's record as the oldest No. 1 in ATP Rankings history on Sunday when he will be 36 years and 321 days old.
Chess great Magnus Carlsen is launching a world Freestyle Chess tour as the variant of the game, also known as Chess960, is gaining in popularity, the world number one announced on Friday.
"It has been an amazing year. One year ago, for sure I never dreamed about being World No. 1 again at the end of the season. It's something that means a lot to me. But the season is not over."
Mahesh Bhupathi and Rohan Bopanna won their first match at the ATP World Tour Finals, scoring a 6-3, 5-7, 10-5 victory over Robert Lindstedt and Horia Tecau in Group B to keep their semi-final hopes alive, while Leander Paes and Radek Stepanek also made a winning start.
With 1,500 points available for an undefeated champion next week, the tournament could produce a thrilling climax with Murray and Djokovic, who have never met at the O2, facing off in the final for the year-end number one ranking.
Nikolay Davydenko sealed the last semi-final berth at the ATP World Tour Finals on Friday, claiming the victory he needed over Robin Soderling, to send 2008 champion Novak Djokovic spinning out of the tournament.
Wimbledon organisers have 'zero appetite' to turn the Championships into a 15-day event
Paire, ranked 29 in the world, said the sport had become a 'tasteless job'.
World No 8 Switzerland's Stanislas Wawrinka confirmed, on Monday, his participation in the 19th edition of the Aircel Chennai Open, India's only ATP World Tour tennis event, starting December 30.
Mahesh Bhupathi and Rohan Bopanna sealed a place in the semi-finals at the ATP World Tour Finals after getting the better of the second-ranked Belarusian-Canadian pair of Max Mirnyi and Daniel Nestor at the O2 Arena in London on Friday. In a tense Group B match that could have gone either way, the world No 5 Indian duo prevailed 7-6(5), 6-7(5), 10-5 in an hour and 55 minutes.
Australian bad boy Bernard Tomic has shrugged off his Miami arrest and banishment from the Davis Cup team to successfully defend his ATP title in Bogota.
Novak Djokovic was stunned 7-6(4), 6-2 by Matteo Berrettini in the Qatar Open first round on Tuesday as the Italian enjoyed his first win over the former world number one.
Novak Djokovic fought back from a set down to beat Andy Murray 4-6, 6-3, 7-5 at the ATP World Tour Finals on Wednesday and all but seal a place in the last four of the season-ending tournament.
The message from Novak Djokovic could not have been more emphatic after the Serb retained his title at the ATP World Tour Finals with a crushing victory over Rafa Nadal on Monday.
Sumit Nagal on Monday dropped out of the much-desired bracket following a string of poor show
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.
Roger Federer and Andy Murray avoided the need for fiddly mathematics on Thursday as they both produced dominant displays to qualify for the semi-finals of the ATP World Tour Finals.
Grigor Dimitrov claimed the biggest title of his career and sent out a huge statement of intent as the stylish Bulgarian beat David Goffin 7-5, 4-6, 6-3 to win the ATP Finals.
Argentina's Juan Martin del Potro found himself in a strangely familiar position at the ATP World Tour Finals on Thursday after keeping his hopes on track with victory over Janko Tipsarevic.
Novak Djokovic said a majority of players believe favouritism is at play in the tennis anti-doping system.
Indian ace Leander Paes and his partner Lukas Dlouhy suffered a straight-set defeat against American Byran brothers Bob and Mike to be out of contention for a semi-final spot in the ATP World Tour Finals in London.
The Croatian helped Djokovic claim nine of his 24 Grand Slam titles before leaving his team in March and on Friday was hired to coach world number five Rybakina for the 2025 season.
Japan's Kei Nishikori will make a third straight appearance at the ATP Tour finals next month after becoming the fifth player to qualify for the season-ending tournament, organisers said on Wednesday.
The fast rising Indian pair of Divij Sharan and Purav Raja clinched its first ever ATP tour level title with a hard-fought win over Edouard Roger-Vasselin and Igor Sijsling in the summit clash of the Claro Open, in Bogota.
Switzerland's challenge at the ATP World Tour Finals melted away like an Alpine glacier in a heatwave on Sunday as Rafa Nadal and Novak Djokovic marched on to the grand finale.
Djokovic did not do much wrong as he battled Sinner and the crowd - regularly jesting with the fans who jeered him throughout the duel.
Roberto Bautista Agut, the world No. 15, has confirmed his participation in the 20th edition of the Aircel Chennai Open, to be held at SDAT Stadium in Nungambakkam from January 5 to 11 next year.
Six-time champion Roger Federer survived a late-night Swiss semi-final thriller against Stanislas Wawrinka on Saturday to set up an ATP World Tour Finals showdown against Novak Djokovic.
The ATP suspended its professional men's tennis tour for six weeks on Thursday, citing concerns over the coronavirus outbreak, which has upended major sporting events across the globe. The announcement came moments after Miami-Dade County said it would suspend the Miami Open and on the heels of Sunday's last-minute cancellation of the Indian Wells tournament in Southern California.
Speculation is rife that all is not well in among compatriots Roger Federer and Stanislas Wawrinka.
Cilic, eliminated after two three-set losses, was hoping to end his year on a high in the city where his Wimbledon dream was ended in this year's final by Federer - the Croatian sobbing on court after suffering blisters.
Poland's Hurkacz was a force to reckon with on serve -- firing 24 aces in the match -- but he ran out of steam in the final set
Rafael Nadal says he could miss the season-ending ATP World Tour Finals next month because of appendicitis.
Prajnesh Gunneswaran announces retirement from professional tennis
'I think he's bringing a fresh look to my game and I'll be able to benefit from that, no doubt, on the court. But also that champion mentality he has, I'm sure we'll match very well.'
Indian tennis ace Leander Paes and his German partner Andre Begemann squandered as many as five match points in the second set to eventually lose the summit clash against Guillermo Garcia-Lopez and Henri Kontinen in a three-setter at the ATP Winston-Salem Open.