If Djokovic maintains his position, he will pass Federer – the only record-holder ahead of him for most weeks at No 1 – by 8 March 2021.
Men's tennis' 'Greatest of all Time' should be decided on the basis of Grand Slam titles, says Ivan Lendl
While Djokovic says he does not feel antagonised by the lack of crowd support when he plays Federer or Nadal, Lendl said the affection of the public should not be a deciding factor
Australian Open 2020: Dominic Thiem must improve mental fortitude in hunt for Grand Slam after nailing down physical conditioning
Worryingly for Thiem, there is plenty of precedent for his inability to take his chances against a top player – even aside from these emptiness-inducing finales
Rogers Cup: Rafael Nadal annexing more 'houses' for himself as he extends career legacy with fifth Canada Masters trophy
By defeating Daniil Medvedev in the Montreal final on Sunday, Rafael Nadal clinched a staggering fifth Canada Masters trophy – second only to Ivan Lendl (six titles) in the 138-year history of the event.
Hamburg Open: World No 5 Alexander Zverev eliminated from hometown tournament day after split from coach Ivan Lendl
Zverev trailed 3-1 in the third set before coming back to lead 5-4 with two match points but Basilashvili clinched his spot in the final against Russia's Andrey Rublev who defeated Pablo Carreno Busta 4-6, 7-5, 6-1.
Alexander Zverev's split from coach Ivan Lendl may not be total disaster that it seems on the surface
Zverev has looked passive, frustrated and clueless on the court for much of 2019. His forehand, which was supposed to transform into a weapon under Lendl’s tutelage didn't, neither his ability to tough out wins from adverse situations – which is the exact opposite of what most people expected to happen with Lendl by his side.
Alexander Zverev splits with coach Ivan Lendl as latter's troubled one-year stint comes to a forgettable end
Ivan Lendl has ended his year-long spell as coach to Alexander Zverev, just days after the German world number five complained the former eight-time major winner spent more time talking about golf and his dog than tennis.
French Open 2019: Make-or-break time for Next Gen stars Alexander Zverev, Karen Khachanov; Stefanos Tsitsipas primed for success
Stefanos Tsitsipas has made obvious improvements to his game since last year. His forehand is more penetrating, his second serve a little heavier, and his backhand more consistent.
ATP Finals: Alexander Zverev's title win provides boost for Next Gen players hoping to end Big Four's monopoly in tennis
Zverev has long been talked of as the leader of a pack of hungry young tyros aiming to unseat the multiple Grand Slam winners who have dominated the sport for well over a decade.
ATP Finals: Alexander Zverev outclasses Novak Djokovic in straight sets to win 'biggest title' of career
Zverev, making his second appearance at the ATP Finals, outlasted six-time champion Roger Federer in the semi-finals and repeated the feat against Djokovic.
Players need to realise impact of their behaviour on ball kids, says India Davis Cup coach Zeeshan Ali
Zeeshan Ali says that shifting the onus to players from ball kids will cut down on the overall time spent on towelling off and fans will see more tennis.
China Open: Alexander Zverev’s second-round loss to Malek Jaziri brings forth the doubts all over again
The good thing about all this is that Zverev still has plenty of time on his side. The bad thing is that he's been throwing a few too many tantrums for his sportsmanlike image to remain intact.
China Open: Alexander Zverev stunned by World No 61 Malek Jaziri in three sets; Aryna Sabalenka ousts Caroline Garcia
Alexander Zverev smashed his racquet in frustration after he was the victim of a surprise three-set defeat to world number 61 Malek Jaziri at the China Open on Thursday
US Open 2018: With 'Big 4' back together for first time in the year, the Flushing Meadows event could be most competitive Slam
Monday onwards, the focus will shift on the ‘Big 4’ in men’s tennis - Roger Federer, Rafael Nadal, Novak Djokovic and Andy Murray – as all of them are competing at a Major for the first time this year.
Germany's Alexander Zverev has boosted his coaching team ahead of the US Open by adding former Grand Slam winner Ivan Lendl to his staff.
Berdych put away the 25th seeded Italian Fabio Fognini 6-1, 6-4, 6-4 in 2 hours 8 minutes on Margaret Court Arena.
Andy Murray doesn't need to bring in a new coach following latest split with Ivan Lendl, says Tim Henman
Andy Murray doesn't need to hire a new coach following his latest split with Ivan Lendl, according to former British number one Tim Henman.
Andy Murray announced he has split with coach Ivan Lendl for the second time as he works towards regaining full fitness for the 2018 season.
Home favourite Roger Federer claimed his eighth Swiss Indoors title on Sunday with a 6-7 (5/7), 6-4, 6-3 final defeat of Juan Martin del Potro.
Shanghai Masters: Roger Federer 'couldn't be happier' with resurgent season, hopes to pick up another title
Looming in Shanghai is a potential clash in the final between Federer and Rafael Nadal, whose friendly rivalry has blossomed anew this year as they force the next generation to wait their turn.