World number one Novak Djokovic produced a majestic display in a 7-5, 6-3 victory over American John Isner on Thursday to extend his winning streak in Asia.
The Serb was knocked off top spot by Rafael Nadal on Monday despite winning the Paris Masters last week and will need a strong finish alongside the River Thames to snatch it back.
Rafael Nadal's decision to skip the US Open because of health concerns has added another twist to the intriguing three-way battle for the most career men's Grand Slam titles and, in many eyes, the title of Greatest Of All Time (GOAT). Had the 34-year-old Spaniard managed to retain the title he won in a five-set thriller against Daniil Medvedev last year, he would have joined Roger Federer at the top of the list with 20 titles. Instead, his decision has cleared the path for 33-year-old Novak Djokovic to edge to within one of Nadal's Grand Slam tally with a fourth title at Flushing Meadows and 18 in total.
Serena Williams moved another step closer to a record-tying 24th career Grand Slam title with a comfortable 6-3, 6-2 victory over Czech Karolina Muchova on Friday to reach the last 16 at the US Open.
Bidding for a record-extending ninth Australian Open title, the world number one and double-defending champion remains the runaway favourite at his favourite Grand Slam where he once remarked that he felt touched by the "divine".
Nadal surpassed the haul of Roger Federer and Novak Djokovic.
Penpix of the top men's contenders at the 2021 Australian Open
For the second time in three days at the ATP Finals, Rafael Nadal fought off one of the game's rising powers but beating Greek Stefanos Tsitsipas proved in vain as his semi-final hopes vanished on Friday.
World number one Novak Djokovic extended his winning run in Asia when he strolled into the last-16 of the Shanghai Masters.
Tennis line judges might grimace when they hear it, but players reacted positively to them being replaced by computerised calls on the opening day of the Next Gen ATP Finals on Tuesday.
But for the first time, that golden trio will be having an anxious glance over their shoulders. The past week in London has revealed a new fearlessness in the generation of 20 somethings expected to fill the void when they call it a day.
Nadal will not be playing at Wimbledon, having decided to rest, while eight-time champion Federer is showing signs that, at 39, the window of opportunity to win one more Slam is closing.
Monday was also the first time in more than two decades that India had more than one player in the main draw of a Grand Slam singles, with Prajnesh Gunneswaran losing to world number five Daniil Medvedev in an earlier match.
Inspired Garcia goes from Cincinnati qualifier to champion
Driven by having started out in life with "literally nothing", Novak Djokovic is determined to end up as the man with the most Grand Slam singles titles when he finally hangs up his racket. Djokovic said his hunger for success came from growing up in a time of conflict and privation.
It was Novak Djokovic's first match this year after his Australian Open hopes were dashed when he was deported following an 11-day saga revolving around his decision not to have a COVID-19 vaccination.
Images from Day 2 of the 2022 Australian Open in Melbourne on Tuesday.
How sweet it is: Eubanks's climb up the ranks is 'icing on the cake'
From Slam No 1 to Slam No 21 -- a summary of Nadal's 21 majors.
Novak Djokovic has been unbeaten at Wimbledon since retiring with an elbow injury against Tomas Berdych in the 2017 quarter-finals.
'The governing bodies, especially Grand Slams, need to allocate enough funds to support lower-ranked players, low-level tournaments, futures, challengers and I believe there is enough funds for those too.'
Australian Nick Kyrgios was expelled from the tournament after going wild in the third set of his match against Casper Ruud.
Images from Day 2 of the Wimbledon tennis championships in London, on Tuesday.
Images from Saturday's action at the Australian Open.
Novak Djokovic kicked off his season in style with a 7-5, 7-5 win over Canadian talent Denis Shapovalov on his favourite Rod Laver Arena court on Tuesday before returning to lead Serbia to a doubles victory that sealed their ATP Cup opener 2-1.
Images from Day 4 of the Australian Open in Melbourne on Thursday.
Images from matches played on Day 4 at the US Open at the Flushing Meadows in New York on Thursday.
Images from Day 7 of the 2021 US Open in New York on Sunday.
Images from Day 8 of the Australian Open in Melbourne on Monday.
Serena Williams has defeated her compatriot in four straight matches since a defeat in the quarter-finals of the 2013 Australian Open.
The five top contenders for the men's title at the Australian Open, which starts on Monday.
The Tokyo Games, from July 23 to Aug. 8, coincide with the year's hottest weather in Tokyo where the temperature can rise to 35 degree Celsius (95F) or more. The 1964 Tokyo Summer Olympics were held in October.
A look at how India's athletes fared at the Tokyo Olympics on Saturday.
Former world number one Andy Murray is in line to play Grigor Dimitrov in the opening round of the inaugural ATP Cup, with Bulgaria qualifying among the final six teams in the nation-based tournament.
hampion Rafael Nadal and top-ranked Novak Djokovic turned in impressive displays to reach the Monte Carlo Masters quarter-finals on Thursday. Nadal, chasing a record-extending 12th Monte Carlo title, broke Grigor Dimitrov's serve on four occasions to defeat the Bulgarian 6-4 6-1.
Summary of sports events and persons who made news on Wednesday
Fritz delivers as US win inaugural United Cup crown
Images from Day 1 of the 2024 Australian Open in Melbourne on Sunday.
The eight men to watch during the US Open which starts on Monday.