Roger Federer eased his way into the ATP World Tour Finals with a 6-1, 7-6 (0) defeat of Canadian newcomer Milos Raonic in his opening round-robin match on Sunday.
Daniil Medvedev destroyed his racket and a net camera in a mid-match meltdown as he survived a huge scare against Thai wildcard Kasidit Samrej.
Rafael Nadal had just beaten rising Greek force Stefanos Tsitsipas in a classic scrap at the ATP Finals but had no idea whether it was good enough to keep him in the tournament.
The Indians will now lock horns with top seeds Ivan Dodig of Croatia and Brazilian Marcelo Melo in the summit clash of the of the ATP 250 event.
Davis Cup heavyweights Australia and the United States eased through the first qualifying round on Saturday but Britain were knocked out as Japan hit back from 2-1 down to win 3-2, while Denmark staged a dramatic comeback to overcome Serbia.
'My arm has been -- I have had an issue there for quite a while now. It has gotten bigger in the last couple of weeks, so I'm just trying to protect it.'
Rafael Nadal pulled off an incredible recovery from 1-5 and match-point down to overcome Russia's Daniil Medvedev at the ATP Finals.
World No 1 Novak Djokovic swept aside opponent David Ferrer of Spain in straight sets to set up China Open summit clash against third-seed Rafael Nadal.
Summary of sports events and persons who made news on Saturday
Roger Federer will make his return to the tennis circuit from a double knee surgery at an ATP 250 tournament in Qatar in March, having not played since last year's Australian Open.
Sumit Nagal won the Heilbronner Neckarcup ATP Challenger event beating Alexander Ritschard of Switzerland
Jannik Sinner secured the year-end world number one ranking by beating Czech 30th seed Tomas Machac in the Shanghai Masters semi-finals.
'The drive that I have is still there. My body has been serving me well, listening to me well. I have a great team of people around me. The motivation, especially for the biggest tournaments in the sport, is still present.'
Roger Federer called for a merger between the two governing bodies last month, with both Simon and ATP Tour Chairman Andrea Gaudenzi welcoming the suggestion. But some top WTA players have said they want an equal standing for the women players in a combined body.
Djokovic looked in fine nick in Shanghai, playing with consistency throughout the tournament to reach his fifth final at the ATP Masters 1000 event
Nagal is coming off a title triumph during the Heilbronn Challenger last week, which happens to be his second Challenger title this season after the Chennai Challenger in February.
'At my age and with some of the issues that I've got, I do have to be mindful of those things. I cannot just keep going until something happens.'
Opelka edges Kyrgios to set up all-American final with John Isner in Houston
Yuki Bhambri made his first doubles semi-finals of the ATP 500 tour.
Novak Djokovic marched into the semis of the Dubai Tennis Championship, with a comfortable win over Hubert Hurkacz.
Frenchman Lucas Pouille claimed his first ATP title by beating Austrian top seed Dominic Thiem 7-6(5), 6-2 in the Moselle Open final in Metz on Sunday.
The German is the first lucky loser to reach the final of a Masters 1000 event.
Novak Djokovic proved to be a calming influence throughout
Sasikumar Mukund will aim for a winning return to the Davis Cup fold as India faces Togo in the World Group I Play-off.
Yuki Bhambri and his Dutch partner Robin Hasse went down in straight sets to Ivan Dodig and Austin Krajicek at the Dubai Duty Free Tennis Championships.
The winners of the Serbia-Germany tie will join Spain, Russia and Italy in the semi-finals.
Mahesh Bhupathi and Mark Knowles won the euro 891,000 ATP Swiss Indoor tournament in Basel on Sunday beating Christopher Kas and Philipp Kohlschreiber of Germany.
Rohan Bopanna and Sumit Nagal have secured their Paris Olympics 2024 quotas for India
Reigning Paris Masters champion Novak Djokovic beat Stefanos Tsitsipas in a three-set epic on Saturday to set up a title clash with Holger Rune, who reached his first ATP Masters 1000 final after a comfortable win over Felix Auger-Aliassime.
Croatia's Borna Coric and Donna Vekic outlasted Spain's Carlos Alcaraz and Rebeka Masarova 1-6, 6-4 (14-12) in their Hopman Cup mixed doubles rubber on Saturday to secure a 2-1 victory that earned them a spot in the final against Switzerland.
Photos from the ATP World Tour Finals matches played in London on Tuesday.
Novak Djokovic will be favourite to reach his 27th Grand Slam final when he faces Stefanos Tsitsipas in the French Open semis on Friday but what had been a smooth path through the draw has suddenly got a little rocky.
Alexander Zverev booked his place in the last four of the ATP Finals where he will face world number one Novak Djokovic after a 6-2, 6-4 win over Hubert Hurkacz in Turin on Thursday.
Ace Indian tennis player Sumit Nagal was off to a winning start in Monte Carlo Masters as he defeated world number 63 Flavio Cobolli of Italy in straight sets in the qualifiers in Monte Carlo on Saturday.
Italy sealed a place in the semi-finals of the ATP Cup by winning both singles matches against France
The duo made the men's doubles semi-finals at Wimbledon and the final of the US Open in the same season.
A mouthwatering finale to the season ended before it even began on Sunday when Roger Federer was forced to pull out prior to the ATP World Tour Final showdown with Novak Djokovic.
Jannik Sinner is primed for a Wimbledon title tilt after picking up his first grasscourt trophy at Halle
Their Miami triumph was their second at the ATP Masters 1000 level after their 2023 title run in Indian Wells
When contacted, AITA Secretary General Anil Dhupar said he does not have any objection to Bopanna playing with Balaji, ranked 84, at the Paris Olympics.