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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
They have been drawn in Group Ashe-Smith along with John Peers/Jamie Murray and Simone Bolelli/Fabio Fognini.
Daniil Medvedev has called for a streamlined ATP calendar with only Grand Slams and Masters 1000 tournaments offering ranking points, though the Russian concedes such reforms would be difficult to implement.
Photos from the ATP World Tour Finals matches played in London on Tuesday.
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.
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.
Travel disruptions following airspace closures in the Gulf have forced Daniil Medvedev and Andrey Rublev to miss an Indian Wells exhibition, while an ATP Challenger in Fujairah was cancelled amid security concerns.
The escalating conflict involving the U.S. and Israel with Iran has led to widespread disruption in the world of sports, with events postponed, travel plans thrown into chaos, and athletes seeking asylum.
Daniil Medvedev played down his Indian Wells semi-final win over Carlos Alcaraz, saying the Spaniard and Jannik Sinner remain on a different level from the rest of the ATP Tour.
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.
World No. 4 Coco Gauff expresses concern over civilian casualties amid the Iran conflict, as the crisis disrupts tennis events in the Middle East and strands players in Dubai.
There is no let-up for Roger Federer as he prepares for his 12th consecutive appearance at the ATP's season-ending extravaganza.
Dhakshineswar Suresh is the nation's new Davis Cup hero, having led India to a historic 3-2 Davis Cup win over The Netherlands on Sunday.
The 38-year-old said he had been dealing with the injury throughout the tournament in Athens.
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.
The 45-year-old Bopanna's final appearance on the Tour came at the Paris Masters, where he partnered Kazakhstan's Alexander Bublik, losing in the opening round earlier this week.
India's Leander Paes and Mahesh Bhupathi suffered a 6-7(6), 1-6 defeat to Sweden's Robert Lindstedt and Horia Tecau of Romania in their first round Group A match of the Barclays ATP World Tour Finals, in London, on Monday.
Dhakshineswar Suresh capped a breakthrough Davis Cup performance by clinching the decisive fifth rubber to hand India a memorable 3-2 win over the Netherlands and seal the country's place in the Qualifiers Round 2.
World number eight Mirra Andreeva warmed up for the Australian Open with a comfortable 6-3, 6-1 victory over fellow teenager Victoria Mboko in the Adelaide International final on Saturday to claim her fourth WTA Tour title.
Novak Djokovic slides, stretches and dominates to reach the Australian Open third round and move within one win of 400 Grand Slam victories.
Champions Daniel Nestor and Nenad Zimonjic lost all hope of defending their ATP World Tour Finals doubles title on Tuesday when they suffered their second successive round-robin defeat at the O2 Arena.
Carlos Alcaraz beat his great rival Jannik Sinner 7-5, 7-6(8) to win their Hyundai Card Super Match exhibition event in Incheon, South Korea, on Saturday that marked the start of the season for the world's top two men's tennis players.
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.
The Indian pair of Mahesh Bhupathi and Rohan Bopanna squandered two match-points before losing to Jonathan Marray and Frederik Nielsen in their opening match at the ATP World Tour Finals, in London, on Tuesday. The Indians, making their debut as a pair in the elite season-ending event, lost their Group B match 6-4, 7-6(1), 10-12 in 96 minutes.
Swede Robin Soderling claimed his second major upset at the ATP World Tour Finals on Wednesday when he beat world number three Novak Djokovic 7-6, 6-1.
Nikolay Davydenko 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.
Rohan Bopanna and Aisam-ul-haq Qureshi crashed out of the ATP World Tour Finals after suffering their third consecutive defeat in the event, going down to the Polish duo of Mariusz Fyrstenberg and Marcin Matkowski in their Group B match, in London, on Thursday.
Holder Roger Federer produced an hour of sublime quality to crush Rafa Nadal 6-3, 6-0 at the ATP World Tour Finals on Tuesday and clinch a place in the last four with a match to spare.