India's Mahesh Bhupathi on Monday advanced to the second round of the ATP World Tours Finals after he and his partner Max Mirnyi defeated Lukasz Kubot and Oliver Marach in straight sets at London.
Deposed World No 1 Novak Djokovic suffered an early scare against Austrian debutant Dominic Thiem at the ATP World Tour Finals before launching his bid for a fifth successive title with a 6-7(10), 6-0, 6-2 victory.
With Federer certain, young Austrian Dominic Thiem is third in the ATP race to London, followed by Stan Wawrinka, Alexander Zverev, Djokovic, world number one Andy Murray, and Belgium's David Goffin.
Mahesh Bhupathi and Rohan Bopanna saved a match point to breeze into the title clash of the ATP World Tour finale after defeating Leander Paes and Radek Stepanek via Super tie-breaker, in London on Sunday.
Novak Djokovic began his challenge for a hat-trick of ATP World Tour Finals triumphs in London with a 6-1, 6-1 demolition of Croatia's Marin Cilic.
Novak Djokovic's tremendous run of form since the start of the year means the Serb has already booked his spot at the ATP World Tour finals in London.
The Spaniard bore little resemblance to the player who once terrorised his opponents as he slumped to a 6-1, 7-6 defeat by Russia's Nikolay Davydenko.
The Indo-Pakistan tennis duo of Rohan Bopanna and Aisam-ul-Haq Qureshi has booked a berth in the season-ending ATP World Tour Finals to be held from November 20 to 27 at London's O2 arena.
But apart from the tennis stars there were celebrities from all walks of life in London.
They have been drawn in Group Ashe-Smith along with John Peers/Jamie Murray and Simone Bolelli/Fabio Fognini.
Bob and Mike Bryan thrashed French duo Julien Benneteau and Edouard Roger-Vasselin 6-0, 6-3 to reach the final of the ATP World Tour Finals on Saturday.
Three-times champion and world number one Novak Djokovic has been drawn in a group with U.S. Open champion Marin Cilic in next week's season-ending ATP World Tour Finals in London.
World number one Novak Djokovic will bid for a record fourth successive ATP World Tour Finals crown in London later this year after becoming the first man to qualify for the season-ender.
A season that produced the biggest shake-up in men's tennis for more than a decade draws to a close next week with three ATP World Tour Finals debutants striving to sign off breakthrough years with a large exclamation mark.
Roger Federer added yet another record to his vast collection when he guaranteed becoming the oldest ATP world number one by beating Dutchman Robin Haase 4-6, 6-1, 6-1 to reach the semi-finals in Rotterdam on Friday.
Roger Federer's enduring brilliance and his sheer hatred of losing allowed him to withstand a stunning Kei Nishikori fightback and remain undefeated at the ATP World Tour Finals on Thursday.
Photos from the ATP World Tour Finals matches played in London on Tuesday.
Rafael Nadal's announcement on Friday that he will miss the ATP World Tour Finals because of appendicitis ended a difficult year for the Spaniard during which he has endured injury, illness and worrying defeats.
Yuki Bhambri claimed his maiden ATP title as he along with South Africa's Lloyd Harris of South Africa won the doubles title in the ATP tennis tournament in Mallorca
There is no let-up for Roger Federer as he prepares for his 12th consecutive appearance at the ATP's season-ending extravaganza.
Riding on his sizzling performance in the Japan Open, Leander Paes is once again knocking the doors of the top-five zone as he gained two spots to be placed sixth in the ATP doubles world rankings, issued on Monday. Paes and Lukas Dlouhy reached the final of the Japan Open last week but lost the summit clash, missing out on the opportunity to pocket back-to-back ATP titles.
American twins Bob and Mike Bryan underlined their status as the best doubles pair in the world as they claimed the ATP Tour Finals title for the fourth time on Sunday.
Tallon Griekspoor prevailed in a high-voltage three-set final against Benjamin Bonzi to win his maiden ATP World Tour title.
Former Davis Cup captain Anand Amritraj is baffled that India's best singles players are not able to win close matches on the ATP World Tour despite having a decent game to back them.
However, the 33-year-old Spaniard will not know until later on Friday whether his Herculean effort was in vain.
Bopanna had won this event with compatriot Divij Sharan in 2019.
'We feel blessed to have been able to play the game of doubles for so long. We are grateful to have had the opportunities in the beginning of the year to play and say our goodbyes to the fans.'
Even though he withdrew from his semi-final tie with Denis Shapovalov, Nadal's run to the last four in Paris saw him reclaim the number one spot from Novak Djokovic on Monday.
The 20-time Grand Slam champion has not played a tournament since his Australian Open semi-final exit against Novak Djokovic last year, undergoing two knee surgeries since.
Ramkumar will meet American Steve Johnson, who beat Spain's Marcel Granollers 6-3, 6-3 in the other semi-final, for the Hall of Fame Open title in Rhode Island on Sunday.
Rohan Bopanna and his Romanian partner Florin Mergea on Saturday made it to the final of the men's doubles event at the ATP World Tour Finals, in London, after registering a straight-set victory against Croatian Ivan Dodig and Marcelo Melo of Brazil.
"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."
The first player to win a Grand Slam, the ATP World Tour Finals, the men's singles at the Olympic Games and a Masters title in the same calendar year.
India's Rohan Bopanna and his Romanian partner Florin Mergea reached the semi-finals of the ATP World Tour Finals with a straight sets win at London's O2 Arena on Tuesday.
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.
Andy Murray crushed Stan Wawrinka 6-4, 6-2 to win his group at the ATP World Tour Finals on Friday and stay on course for a season-ending climax with Novak Djokovic.
With reports suggesting that Andy Murray, who finished the ATP year as world No 1 player, might be in line for a knighthood, the Briton has insisted that he is "too young" for the country's "highest honour." The 29-year-old, who beat Novak Djokovic in the ATP World Tour Finals on Sunday, has been tipped to be named in the New Year honours list.
Leander Paes might team up with Ramkumar Ramnathan instead of Sumit Nagal in this month's Asian Games after captain Zeeshan Ali said he will consider the ATP World Tour finalist's request to pair up with the senior pro.
Novak Djokovic's 6-3, 6-4 demolition of the top-ranked Spaniard in the ATP World Tour Finals made him only the seventh player to win the year-end championship at least three times. We take a look at the players who preceded the Serb to the feat.
Anyone banking on the ravages of time taking their toll on Roger Federer had better think again -- the Swiss is only getting better, according to his latest victim.