Novak Djokovic began his challenge for a hat-trick of ATP World Tour Finals triumphs in London with a 6-1, 6-1 demolition of Croatia's Marin Cilic.
Dolgopolov, who advanced to the 2nd round of the US Open on Wednesday, said he could not remember ever being approached to fix a match.
India were handed a tough Davis Cup draw, being pitted against top seeds Czech Republic in the World Group Play-offs, to be held from September 18-20 either in New Delhi or Pune.
Fifth seed Maria Sharapova averted an early exit on a sweltering day in Flushing Meadows. Updates from Wednesday's play.
Djokovic is clubbed with Federer, Juan Martin Del Potro, David Goffin and Alexander Zverev.
Having exchanged a few shots with a young prospect after an intense training session in searing heat at his own tennis complex in central Belgrade, the 30-year old Serb conceded that the last 18 months have been testing.
Andy Murray continued his strong clay court form by booking a place in the semi-finals of the Madrid Open with a 6-4, 7-5 victory over Milos Raonic.
Defending champion Novak Djokovic survived a scare.
Roger Federer trounced Croatian teenager Borna Coric 6-2, 6-1 at the Dubai Championships on Friday to set up a potential final showdown with world number one Novak Djokovic.
India's top singles player Somdev Devvarman was on Saturday drawn to a play a qualifier while wild cards Yuki Bhambri and Jeeven Nedunchehziyan will have to fight it out with top-100 players in their first rounds at the Aircel Chennai Open.
Indian veteran Leander Paes and his doubles partner Hugues Herbert turned it around remarkably for the Japan Warriors, who beat UAE Royals 24-21 to record their first win of the tournament in the opening match of the International Premier Tennis League's India leg in New Delhi.
Stanislas Wawrinka breezed into the fourth round of the BNP Paribas Open on Monday and saw another seed removed from his path to the final when lucky loser Yoshihito Nishioka of Japan turned his match against Tomas Berdych upside down.
Swiss second seed Stanislas Wawrinka won a hard-hitting battle with American Jack Sock on Thursday to reach the quarter-finals at the Rogers Cup with a 7-6(3), 6-2 triumph.
Roger Federer stared down defeat and saved two match points before knocking Tomas Berdych out of the Miami Open on Thursday with a 6-2, 3-6, 7-6(6) victory in their thrilling quarter-final.
Croatian Marin Cilic prepares to try to stop the Swiss claiming a sixth Australian Open title on Sunday.
Images from the 2022 Wimbledon Championships at the All England Club in London on Sunday.
The defending champion did not require his dazzling best against 80th-ranked Hungarian Marton Fucsovics in his first match scheduled during the day session but still emerged a comfortable 6-4, 7-6(3), 6-2 winner.
Yuki Bhambri struggled to rein in his unforced errors and played well only in patches as his third Australian Open appearance ended with a straight-set first-round defeat at the hands of a seasoned Marcos Baghdatis, in Melbourne on Monday.
Already one of the greatest sportsmen of his era, Roger Federer will become the most successful man in Wimbledon history if he can beat Croatian Marin Cilic on Sunday's final and claim an unprecedented eighth men's singles title.
Croatian Marin Cilic reached his first Wimbledon final with a 6-7(6), 6-4, 7-6(3), 7-5 victory over American Sam Querrey on Friday.
A season that produced the biggest shake-up in men's tennis for more than a decade draws to a close next week with three ATP World Tour Finals debutants striving to sign off breakthrough years with a large exclamation mark.
Andy Murray and Rafael Nadal were winners but six seeds were beaten in a day of upsets in the second round at the Rogers Cup in Montreal on Thursday.
If it is so dark that Hawkeye stops working, then matches should be called off at Wimbledon, Roger Federer said.
Friday's showdown will be the 40th meeting between the duo with Rafael Nadal leading 24-15 and 10-3 in Grand Slams.
The Briton, who was thrashed 6-3 6-1 by the Croatian in the Dubai Championships in 2015, performed poorly in the first set and after recovering in the second he then surrendered his serve in the seventh game, giving Coric three break points.
A look at the records of Spain's Rafael Nadal and Serbia's Novak Djokovic before their title clash at the Australian Open on Sunday (prefix number denotes seeding):
Murray, who suffered an elbow injury in March and made his return from a five-week layoff on Wednesday after a first-round bye, won the opening set in 48 minutes before losing concentration.
Rafael Nadal and Roger Federer will set aside their long-time rivalry when they play for Europe against the rest of the world in the inaugural Laver Cup tournament which starts on Friday.
Rafael Nadal is confident he will be ready to compete in this week's Miami Open despite turning his ankle in practice, the second seeded Spaniard said on Tuesday.
The 30-year-old former world number one retired with an elbow injury during his Wimbledon quarter-final against Tomas Berdych this month.
As another Grand Slam crown looks set to be snaffled by a man in his thirties this weekend, tennis fans lamenting a dearth of dynamic up-and-comers need not worry, says former world number one Mats Wilander.
After two weeks of intriguing tennis where the world's best fought hard to assert their dominance on clay, we have the champions out there.
World number one Simona Halep saved three match-points before edging past an inspired Lauren Davis 4-6, 6-4, 15-13 in a thrilling marathon to reach the fourth round of the Australian Open on Saturday.
The latest tennis rankings have been announced by the ATP and WTA
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.
Victoria Azarenka withstood some early pressure from Britain's Johanna Konta to continue her quest for a third Miami Open title with a 6-4, 6-2 quarter-final victory on Wednesday.
Serbia's Novak Djokovic, who beat Switzerland's Roger Federer to win his 16th Grand Slam title on Sunday:
World No 1 Novak Djokovic recovered from another slow start to beat Spain's David Ferrer.
Take a look at six of the up-and-comers who could upset the top names at the year's first Grand Slam.
Novak Djokovic claimed a fourth Wimbledon title in ruthless fashion as he beat giant South African Kevin Anderson 6-2, 6-2, 7-6(3) in the final.