He may have entered the semifinal as the underdog, but Jannik Sinner's stunning victory over overwhelming favourite Novak Djokovic left the Melbourne crowd shocked.
Ramkumar, Poonacha and Saketh Myneni had a light session that lasted two and a half hours.
World number two Rafael Nadal criticised the ATP on Thursday for promoting a court surface he said was the toughest on the bodies of the players.
Rublev came into the tournament on a four-match losing streak, but has eased into the final, knocking out second seed Carlos Alcaraz on the way, and will face unseeded Canadian Auger-Aliassime for the title on Sunday.
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.
Italy sealed a place in the semi-finals of the ATP Cup by winning both singles matches against France
The 22-time major champion Rafael Nadal addressed the prospect that 2024 could be his final year as an ATP professional, confessing that it is indeed a reality that he might hang up his racquets at the end of next season.
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.
Spain's Rafael Nadal said on Wednesday that he is not sure if he will be able to play at next month's French Open.
Only once in 16 previous appearances has Federer not survived the group stage, back in 2008. IMAGES from the ATP Finals played at The O2 Arena in London on Sunday
The win at the Chennai Open challenger event on Sunday pushed Nagal to 98th in the latest singles rankings.
India's Rohan Bopanna and his partner Daniel Nestor grabbed their second ATP title.
Japan's Kei Nishikori dispatched error-strewn Swiss Stan Wawrinka 6-2, 6-3 in a disappointingly one-sided clash at the ATP World Tour Finals on Monday.
Russian Nikolay Davydenko has won his appeal against a fine for not trying hard enough during a match.
Djokovic's sixth trophy this season helped him to extend his lead over the second-ranked Carlos Alcaraz in the race to the year-end number one spot
The ATP has pushed for changes in scoring rules and qualifying methods for doubles competitions at tour events
Bopanna also spoke about the challenging conditions at the Australian Open and having to push his boundaries to get them wins.
In the earlier match, Zverev beat Cilic -- the Croat's 9th loss in 10-round robin matches in the Finals
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.
World number one Rafael Nadal said on Wednesday he would skip the Asian leg of the ATP tour to recover from the knee injury he picked up at the US Open, a decision that will boost Novak Djokovic's chances of ending the year top of the rankings.
Carlos sought tranquility in Cabo San Lucas, Mexico, accompanied by his brother Alvaro and friends.
Still wearing a compression sleeve after a recent forearm issue, Carlos Alcaraz produced a stellar show in a rematch of the duo's 2022 encounter to firmly put himself back in the conversation as the favourite to lift the title in Paris and a third major.
The duo lost their second round men's doubles match to Marcelo Arevalo of El Salvador and Mate Pavic of Croatia at the Australian Open.
Summary of sports events and persons who made news on Tuesday
At the Hong Kong Tennis Open, top-seeded Andrey Rublev of Russia pocketed his 15th career title with a 6-4, 6-4 win over Finland's Emil Ruusuvuori.
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.
Sumit Nagal had to be content with a runner-up finish at the ATP Tulln Challenger event after losing the singles title clash in straight sets to Czech Republic's Vit Kopriva, in Tulln on Sunday.
Tsitsipas had lost all five previous matches against the Russian, but turned the tables in impressive fashion.
Laslo Djere won his first ATP title at the Rio Open on Sunday and then captured the hearts of the Brazilian crowd with a victory speech dedicated to his parents, both of whom died from cancer.
Rafael Nadal has booked his place at the World Tour finals after winning a record eighth French Open title, the ATP said on Monday.
Gauff cruises past Zidansek to reach French Open third round
The Association of Tennis Professionals (ATP) has decided to increase the overall prize amount for the men's tennis tours, exceeding 100 million dollars for the first time in 2015.
Roger Federer got back on track at the ATP Finals with a 7-6(2), 6-3 defeat of Italian Matteo Berrettini on Tuesday.
Davis Cup: Ramkumar to lead Indian challenge against Pakistan on grass courts
Factbox on Carlos Alcaraz, who beat seven-time champion Novak Djokovic
Australian Open champion Novak Djokovic has succeeded in his bid to stage an ATP tournament in his home town of Belgrade from 2009.
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.
Bopanna had scripted history in March to become the oldest ATP Masters 1000 champion when he and Ebden won the BNP Paribas Open.