The event comes at a time when tennis is facing criticism over its relentless tour schedule.
Yuki Bhambri and his American partner Robert Galloway lost to fourth seeded combine of Francisco Cabral from Portugal and Lucas Miedler from Austria in the final.
Defending champion Jannik Sinner swept past Felix Auger-Aliassime 6-0, 6-2 on Thursday to reach the Cincinnati Open semi-finals, the world number one extending his hardcourt winning streak to 25 matches.
Top seed Carlos Alcaraz of Spain and No. 8 seed Hubert Hurkacz of Poland will clash in the ABN Amro Open semi-finals on Saturday after both posted victories on Friday in Rotterdam, Netherlands.
Belgian third seed Elise Mertens dug deep to save 11 match points and battle past two-time winner Ekaterina Alexandrova to reach the Libema Open final.
India's top-ranked tennis player Sumit Nagal was ousted by Pedro Cachin of Argentina in the pre-quarter-finals of the Braunschweig ATP Challenger, in Braunschweig, Germany, on Wednesday.
This milestone underscores his longevity and commitment to the sport, especially considering the physical and mental demands of playing at the top level.
India's Yuki Bhambri and his French partner Albano Olivett clinched the men's doubles title at the Swiss Open ATP Tour tennis tournament with a hard-fought win over Ugo Humbert and Fabrice Martin in the final in Gstaad
Defending champions Italy moved into the Davis Cup final after a 2-0 win over Australia on Saturday as Jannik Sinner defeated Alex de Minaur in straight sets to follow up Matteo Berrettini's victory over Thanasi Kokkinakis.
World number two Carlos Alcaraz beat seventh seed Arthur Fils 6-2, 6-4 on Saturday to advance into his third Barcelona Open final, where the Spaniard will face Denmark's Holger Rune for the title.
The 26-year-old has not always handled the expectations placed on his shoulders after he won the Wimbledon junior title in 2008 with a game style uncannily like Federer's.
Monegasque Valentin Vacherot completed a fairytale run at the Shanghai Masters on Sunday, rallying from a set down to defeat his cousin, Frenchman Arthur Rinderknech, 4-6, 6-3, 6-3 in the final and secure his first ATP 1000 title.
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.
Rajeshwaran shown the door at Mumbai Open
Sinner's retirement and world number one Alcaraz's withdrawal due to an ankle injury blows the draw wide open, with Djokovic in the hunt for a record-extending fifth title in Shanghai.
The opening match in the Pete Sampras Group produced a feast of stylish backhands from both players but it was Dimitrov, the first Bulgarian to qualify for the tournament in its 48-year-old history, who overcome some late jitters to prevail.
India's top-ranked tennis player Sumit Nagal officially qualified for the Paris Olympics and advanced to the pre-quarterfinals of the ATP 125 Perugia Challenger
Britain's Cameron Norrie stunned world number one Carlos Alcaraz to reach the third round of the Paris Masters.
Stuns World No 1 Djokovic to win 'biggest title of career'
'It's a different surface and I've not had much time to get used to this tournament so my expectations aren't that high.'
Jannik Sinner overpowered American Taylor Fritz in the final to become the first Italian man to win the US Open singles title.
An off-colour Alcaraz lost 6-1, 7-5 to Norway's Casper Ruud in his opening match on Monday and the 21-year-old cancelled a public training session the following day.
Japan Open: Alcaraz marches into quarterfinals, hails "best physio in the world" after overcoming ankle issues
Alexander Zverev into ATP Finals semis after straight sets win over Carlos Alcaraz
Belgian Goffin, thrashed by Grigor Dimitrov two days ago, appeared to be feeling the effects of that mauling as he went 3-0 down with a whimper, but came alive to win 15 points in a row during a first-set comeback.
Arjun Kadhe and Vijay Sundar Prashanth were beaten in the semi-finals of the Swiss Open after losing in straight sets to third seeds Albano Olivetti and Hendrik Jebens.
18-year-old Carlos Alcaraz of Spain became the youngest to clinch an ATP 500 title at the same event on Sunday when he defeated Diego Schwartzman in the final of the Rio Open.
Australia booked their place in the Davis Cup semi-finals as doubles pair Matthew Ebden and Jordan Thompson clinched the deciding rubber against the United States on Thursday.
Sumit Nagal registered a straight-sets win over Argentine qualifier Nicolas Kicker.
'I have no idea what's happening right now, I'm not in a dream, it's just crazy. I'm just so happy with my performance these past two weeks.'
His previous best was 97 in February, which he had attained after winning the Chennai Open, an ATP Challenger series event.
Jannik Sinner's dazzling winning streak ground to a halt ahead of the French Open but the world number one's top-notch return from a three-month doping ban suggests he will be the main challenger to Carlos Alcaraz in Paris.
The tournament's once-robust pool of around 300 line judges has been cut to 80 and they will serve as "match assistants", who support chair umpires and step in should the ELC -- powered by more than 450 cameras -- fail in any of the 18 courts in use.
In the earlier match, Zverev beat Cilic -- the Croat's 9th loss in 10-round robin matches in the Finals
Mboko saved a match point against Kazakh ninth seed Rybakina in front of adoring home support
Debutant Stefanos Tsitsipas crushed defending champion Alexander Zverev 6-3, 6-2 on Wednesday to book his place in the last four of the ATP Finals with a match to spare.
World number one Jannik Sinner produced a sublime semi-final display as he fought back from a set down to beat American Tommy Paul 1-6, 6-0, 6-3 on Friday to set up an Italian Open final showdown with Carlos Alcaraz.
'I guess only the top players' images matter. I guess only the independent tribunal's opinion on the top players is taken as sound and right.'
The Serbian Wimbledon champion extended his win streak to nine, wrapping up the final in 75 minutes without facing a break point and booked his place at next month's ATP Finals.
Rohan Bopanna and his Australian partner Matthew Ebden advanced to the quarterfinals