India youngster Saketh Myneni clinched his maiden ATP Challenger level singles title after getting the better of Aleksandr Nedovyesov of Kazakhstan in a hard-fought three-set match at the Indore Open on Sunday.
World number one Novak Djokovic had to work hard for a three-set victory over Hungarian Marton Fucsovics at the Paris Masters on Tuesday in his first match since losing the U.S. Open final in September.
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.
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.
Factbox on Carlos Alcaraz, who beat seven-time champion Novak Djokovic
Nadal held his nerve as he was tested by the 91st-ranked Argentine
Meanwhile, Sumit Nagal was trailing in his second round men's singles match against Holger Rune of Denmark, when rain led to a suspension of the contest.
Sumit Nagal got the big break as he was the highest ranked player in that draw.
Roger Federer ended Grigor Dimitrov's seven-match winning streak and showed the Bulgarian he has some way to go to live up to his 'Baby Federer' tag with a 6-3 7-6 (2) quarter-final victory at the Basel Open on Friday.
Dimitrov has enjoyed the best season of his career in 2017, clinching four titles overall, including his first Masters title in Cincinnati.
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.
Ronaldo got involved in ball kid duties while watching world number one Novak Djokovic's opening match against John Isner of America as the tennis ball bounced into the stands near the first row where he was sitting.
The victory saw him move up by three places to stand only behind Spain's Rafael Nadal and Swiss star Roger Federer.
The win at the Chennai Open challenger event on Sunday pushed Nagal to 98th in the latest singles rankings.
Roger Federer rediscovered his verve in the nick of time to outclass Austrian Dominic Thiem 6-2, 6-3, on Tuesday, and maintain his hopes of reaching the last four at the ATP Finals.
Britain's Andy Murray joined world number one Novak Djokovic and newly-crowned US Open champion Rafa Nadal as definite qualifiers for the ATP World Tour finals on Tuesday, but Roger Federer faces an uphill task to make the eight-man field.
Fresh from his exploits in India's first-ever title-winning campaign at the Chess Olympiad, Grandmaster Vidit Gujrathi has decided against defending his crown at the 10th Vugar Gashimov Memorial Chess Super Tournament in Azerbaijan for an audience with Prime Minister Narendra Modi here on Wednesday.
Andy Murray started working with former coach Daniel Vallverdu this month on a short-term basis as the multiple Grand Slam winner works towards rediscovering the form that took him to the top of the world rankings.
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.
Summary of sports events and persons who made news on Tuesday
Roger Federer added yet another record to his vast collection when he guaranteed becoming the oldest ATP world number one by beating Dutchman Robin Haase 4-6, 6-1, 6-1 to reach the semi-finals in Rotterdam on Friday.
It was a triumphant return to the tour for Djokovic
Wildcard Jannik Sinner completed a dream run when he beat top-seeded Alex de Minaur to win the final of the Next Gen tournament for the season's best Under-21 players on Saturday.
Alexander Zverev became the first German to reach the last four at the ATP Finals for 15 years as he beat American John Isner 7-6(5), 6-3 at the O2 Arena on Friday.
The duo, who had won the Australian Open earlier this year, overcame several unforced errors in the first set to win the gruelling quarterfinal 3-6, 7-6 (4), 10-7.
Balaji also showed that he can quickly adapt to conditions when he was asked to do the singles duty during the Davis Cup tie against Pakistan on grass. The rival was not of the highest quality but Balaji showed that he was willing to come out of his comfort zone if the team demands.
The 17-time Grand Slam champion Roger Federer believes that Rafael Nadal is still the favourite to win the French Open next month despite the Spaniard's recent struggles to regain form.
The Spaniard's main rival, Roger Federer, picked the Stefan Edberg Sportsmanship prize for a record fifth successive year.
Italian top seed Matteo Berrettini marked himself down as a genuine Wimbledon threat after beating Britain's Cameron Norrie 6-4, 6-7(5), 6-3 to win the Queen's Club title on Sunday.
The 20-year-old German, ranked three in the world, was hot and cold against Croatia's Marin Cilic but, when it mattered most, he produced his best tennis to win 6-4, 3-6, 6-4.
The former world number one, who is easing his way back to full match fitness after a career-saving resurfacing procedure in January, saved all four break points he faced and dropped only six points on his first serve.
Somdev Devvarman and Praksh Amritraj moved to the pre-quarterfinals of the $1,25,000 ATP Challenger event in Seoul, Korea after winning their respective first round matches.
Playing in his first competitive singles match on the ATP Tour since August 5, the 20-times Grand Slam champion showed no signs of rust in his second round win against Lithuanian qualifier Ricardas Berankis.
American Jack Sock clinched the last spot in the ATP Tour finals when he beat Serbian qualifier 5-7, 6-4, 6-1 to win the Paris Masters title on Sunday.
Murray claimed his first singles victory since returning from hip surgery with a 6-0, 6-1 drubbing of French novice Imran Sibille
American teenage sensation Coco Gauff became the youngest player to win a WTA title in 15 years as she beat former French Open champion Jelena Ostapenko in the Linz Open final on Sunday.
Andy Murray saved five match points to defeat Jiri Lehecka at the Qatar Open on Friday and reach a first ATP Tour final since June last year.
Somdev Devvarman was off to a winning start at the $75,000 ATP Challenger tournament in Aptos, USA as he beat Japanese Yuichi Sugita in three-sets.
Former world number one Andy Murray's quest for a first ATP title in over two years ended in defeat at the hands of top seed Aslan Karatsev at the Sydney Tennis Classic on Saturday, with the Russian easing his way to a 6-3, 6-3 win.
