Top seed and defending champion Jannik Sinner, playing on his 24th birthday, ended French qualifier Terence Atmane's dream run at the Cincinnati Open with a 7-6(4), 6-2 win on Saturday to reach the final of the US Open tune-up event.
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.
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.
It was the 31-year-old Serb's second comfortable win in the Gustavo Kuerten group and combined with Marin Cilic's 6-7(2), 6-3, 6-4 defeat of American John Isner later in the day, he sealed his place in the semi-finals at the year-ender for the eighth time.
Britain's Cameron Norrie stunned world number one Carlos Alcaraz to reach the third round of the Paris Masters.
World No 4 Del Potro is still sidelined with a right knee injury sustained in Shanghai last month.
Sweden's Robin Soderling will replace Andy Roddick in the ATP World Tour finals after the American pulled out with a knee injury on Tuesday.
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.
A few days after it appeared as though a Roger Federer impersonator had gatecrashed the 02 Arena, the Swiss great resumed normal service to outplay Kevin Anderson and reach the last four of the ATP Finals on Thursday.
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.
Novak Djokovic says that defending his Olympic title at LA 2028
The 18-year-old captured the Argentina Open title with a in over home favourite Francisco Cerundolo in the final.
Zverev and Shelton tested each other in a high-quality encounter before the world number three played a near flawless tiebreak to clinch the match in little over two hours and stretch his career win-loss record over the American to 3-0.
It was third time lucky for Tsitsipas who had twice lost in the Dubai final, against Roger Federer in 2019 and Novak Djokovic a year later.
Six-time champion Novak Djokovic has withdrawn from this year's Italian Open, organisers said on Tuesday.
Japan Open: Alcaraz marches into quarterfinals, hails "best physio in the world" after overcoming ankle issues
'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.'
Novak Djokovic moved to the brink of his 100th tour-level title after recovering from a second-set blip to beat British qualifier Cameron Norrie 6-4, 6-7(6), 6-1 in the Geneva Open semi-finals on Friday.
Rafael Nadal's decision to end his season early means Cilic is actually holding the last berth for the eight-man showdown at London's O2 Arena.
Eighth seed Machac, who won gold in mixed doubles at the Paris Olympics, became the third player from his country to win an ATP 500 title, following Tomas Berdych and Radek Stepanek.
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.
Djokovic to face World number 204 Valentin Vacherot next.
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.
The 19-year-old Czech Jakub Mensik beat his childhood idol Novak Djokovic in the Miami Open final in an upset for the ages on Sunday.
Carlos Alcaraz has defended his decision to play in the lucrative Six Kings Slam exhibition event in Saudi Arabia
Factbox on Italy's Jannik Sinner, who beat Germany's Alexander Zverev 6-3, 7-6(4), 6-3 in the Australian Open final
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 fourth-seeded Indo-Canadian pair got the better of second seeds Jean-Julien Rojer of the Netherlands and Romania's Horea Tecau 4-6, 7-6(9), 11-9 in a close semi-final.
Mboko saved a match point against Kazakh ninth seed Rybakina in front of adoring home support
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.
Sumit Nagal registered a straight-sets win over Argentine qualifier Nicolas Kicker.
Rafael Nadal says he could miss the season-ending ATP World Tour Finals next month because of appendicitis.
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.
Mahesh Bhupathi entered his first final of this season. He and French partner Michael Llodra overcame a strong challenge from India's Rohan Bopanna and Rajeev Ram of the United States in the semi-finals of the Dubai Tennis Championships on Friday.
Jeevan Nedunchezhiyan and his partner Vijay Sundar Prashanth clinched their maiden ATP title together, winning the Hangzhou Open men's doubles event, while Yuki Bhambri and his French partner Albano Olivetti finished runners-up at the Chengdu Open
While Jannik Sinner and French Open champion Carlos Alcaraz have won the last seven major titles between them, the Italian cautioned against complacency and pointed to the strength of competition in the ATP Tour.
The 21-year-old German upstart produced some dazzling tennis and thoroughly deserved his 7-5, 7-6 (5) win against the six-time champion in a captivating semi-final.
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.
This milestone underscores his longevity and commitment to the sport, especially considering the physical and mental demands of playing at the top level.
Rajeshwaran shown the door at Mumbai Open