Speculation is rife that all is not well in among compatriots Roger Federer and Stanislas Wawrinka.
He has three titles to his name this season, including winning a third Masters 1000 in Madrid, and on Saturday he will become the first German for 15 years to contest a semi-final match at the season-ending ATP Finals.
Carlos Alcaraz enjoyed a dream return to action after more than three months out due to abdominal and hamstring injuries as the world number two claimed the Argentina Open title on Sunday.
The up-and-coming Indian player was beaten by top seed Igor Kunitsyn of Russia in the ATP Challenger in Uzbekistan.
Swede Robin Soderling retained his World Indoor Tournament title by outlasting Frenchman Jo-Wilfried Tsonga 6-3, 3-6, 6-3 on Sunday.
Rohan Bopanna and Aisam Qureshi edged out second seeds Sanchai and Sonchat Ratiwatana in the match tie-break to enter the final of the Malaysia Open.
World number one Carlos Alcaraz sailed into the Paris Masters third round with a 6-4, 6-4 win over Yoshihito Nishioka but Rafael Nadal and Daniil Medvedev both slumped to surprise losses on Wednesday.
The 20-year-old will need all of his weapons on Friday if he is to stand a chance in his first meeting with Djokovic.
Images from Day 1 of the 2024 Australian Open in Melbourne on Sunday.
Nadal expresses doubt over Australian Open participation
Alcaraz ended his near four-month injury layoff with a win over Laslo Djere
'The Laver Cup next week in London will be my final ATP event. I will play more tennis in the future, of course, but just not in Grand Slams or on the tour.'
For the first time since 2004, neither Novak Djokovic nor the injured Rafael Nadal will be in the Rome final.
Novak Djokovic is capable of extending his record for holding the men's World No. 1 ranking for most weeks to 400, said Russia's Daniil Medvedev who will climb up to a career-best ranking of second on Monday.
Top seed Kei Nishikori of Japan became the first player to win three consecutive Memphis Open tennis tournament titles when he prevailed in straight sets on Sunday.
Australian Open chief Craig Tiley believes any Saudi Arabian investment in tennis would not have the same impact as in golf.
Novak Djokovic, the world number one ranked men's player, has reiterated his stand about freedom of choice over taking the COVID-19 vaccine as suspense grows over his participation at the Australian Open in January.
Andy Murray took a step closer to a first title in arguably the toughest year of his playing career, grinding out a 3-6, 7-5 ,6-2 win over Ugo Humbert on Saturday to reach the final of the European Open in Antwerp.
The victory over the 19-times Grand Slam champion was the second ATP World Tour Masters 1000 title of the season for the 20-year-old German, who also beat Novak Djokovic in Rome.
Marin Cilic beat unseeded German Michael Berrer 6-4, 6-7, 6-3 on Sunday to win the Zagreb Indoors tournament for the second successive year and clinch his fifth career title.
Marcin Matkowski and Mariusz Fyrstenberg beat fourth seeds Mahesh Bhupathi and Mark Knowles 6-4, 6-2 in the final of the Madrid Masters.
Ramkumar battled past Italian qualifier Andrea Arnaboldi 6-2, 5-7, 6-4 in the semi-finals of the US $75,000 clay court event after two hours and 34 minutes.
Thiem had already sealed a place in the semi-finals after group wins against Roger Federer and Novak Djokovic, while Berrettini could not progress.
Switzerland's challenge at the ATP World Tour Finals melted away like an Alpine glacier in a heatwave on Sunday as Rafa Nadal and Novak Djokovic marched on to the grand finale.
Sonego's first top-10 victory capped a dream week for the 25-year-old, who lost the final qualifier but entered the main draw as a lucky loser.
Unheralded Igor Kunitsyn upset former world number one Marat Safin 7-6, 6-7, 6-3 in an all-Russian Kremlin Cup final to clinch his maiden title.
The Citi Open in Washington, which was scheduled to restart the men's ATP Tour after the COVID-19 shutdown, has been cancelled for 2020, organisers announced on Tuesday. The tournament was set to begin on August 14 and serve as a build-up for the US Open but the organisers said concerns about travel restrictions and recent trends in the coronavirus outbreak had led to the decision to scrap the event.
The former world No.1 doubles pair upset fourth seeds Mark Knowles of Bahamas and Daniel Nestor of Canada in the semi-finals of the ATP Masters.
Just as against Swiss 20-time Grand Slam champion Federer in Saturday's semi-final, the 21-year-old produced a dashing display of power and guile to stun the in-form Djokovic 6-4, 6-3.
Tennis's flagship team events the Davis Cup and Fed Cup Finals have been postponed until 2021 because of the COVID-19 pandemic, the International Tennis Federation (ITF) said on Friday. Professional tennis has been suspended since March and will not return until August.
Simona Halep will take over as the new number one in the WTA world rankings after progressing to the China Open final with a dominant 6-2 6-4 victory over Latvia's Jelena Ostapenko in Beijing on Saturday.
Rohan Bopanna and Aisam-ul-haq Qureshi missed out on capturing their second ATP title of the season after losing the fiercely fought final of the St. Petersburg Open to Daniele Bracciali and Starace Potito, at St.Petersburg.
Former doubles world No. 1 Leander Paes was recently elected to receive the Ultimate Honour in Tennis - induction into the International Tennis Hall of Fame - as the Class of 2024.
Roger Federer's late bid to secure his customary place in the season-ending ATP World Tour finals began with a routine opening round win over Adrian Mannarino in his home town tournament in Basel on Monday.
A summary of sports events and sports persons, who made news on Tuesday
Should Carlos Alcaraz win Queen's final against Alex de Minaur he would reclaim the world number one ranking from Novak Djokovic.
Top seed Janko Tipsarevic of Serbia lived dangerously before making the final with a confident 6-1, 6-4 triumph over qualifier Go Sodea of Japan in the semi-final of the ATP Tour $450,000 Chennai Open Tennis championship on Saturday.
American Andy Roddick has booked his place at the World Tour Finals with four weeks of the season remaining, the ATP said on Tuesday.
For all his renowned mental strength it was psychological exhaustion that made Rafael Nadal consider skipping the season-ending ATP World Tour finals this year, the 14-times grand slam champion said on Tuesday.
Rafael Nadal delved deep into his seemingly inexhaustible reserves of willpower on Saturday to fight off Andy Murray in a three-hour classic and reach the final of the ATP World Tour Finals for the first time.
