Novak Djokovic's outstanding serving, mighty forehand and all-court defence delivered him a ninth straight win over Stefanos Tsitsipas in their Red Group match.
The Australian Open men's singles final offers a rematch of the dramatic 2021 French Open final, in which Djokovic came back from two sets down to snatch the title and leave Greek Tsitsipas heartbroken.
No 'triple bagel' but Djokovic thumps Mannarino to reach quarters
Greek fourth seed Stefanos Tsitsipas labelled Nick Kyrgios a "bully" with "an evil side" to his character after losing a bad-tempered Wimbledon third-round clash on Saturday.
The 24-year-old then pounced with Lehecka serving at 4-5, reaching match point with a searing backhand pass and wrapping up victory as his opponent netted a backhand.
Novak Djokovic won a record-extending 10th Australian Open crown, beating Stefanos Tsitsipas in a generational clash in the men's singles final, at Melbourne Park, on Sunday.
How sweet it is: Eubanks's climb up the ranks is 'icing on the cake'
Holder Stefanos Tsitsipas moved into the Monte Carlo Masters quarter-finals with a 7-5, 7-6(1) victory over Laslo Djere on Thursday while fourth seed Casper Ruud was knocked out in straight sets by Grigor Dimitrov.
Surprise package Davidovich Fokina, who knocked out top-ranked Novak Djokovic and Indian Wells champion Taylor Fritz in the earlier rounds at Monaco, drew first blood by breaking Tsitsipas to take a 2-1 lead in the opening set.
Images from Day 1 of the French Open matches played at Roland Garros on Sunday.
Novak Djokovic advanced to a record-extending 10th Australian Open final with an emphatic win over American Tommy Paul.
Stefanos Tsitsipas enjoyed an incident-free path into the third round of the French Open with a win over Roberto Carballes Baena.
Holder Stefanos Tsitsipas moved into the Monte Carlo Masters quarter-finals with a 7-5 7-6(1) victory over Laslo Djere
Twice champion Iga Swiatek walloped Czech Karolina Muchova in straight sets to reach the Indian Wells quarter-finals on Tuesday.
Images from the men's singles fourth round matches at the Australian Open, on Sunday.
Images from the men's singles action at the Wimbledon Championships on Saturday.
Stefanos Tsitsipas believes he has proved a point to his critics ahead of Wimbledon by winning his maiden grasscourt title at the Mallorca Championships
Inspired Garcia goes from Cincinnati qualifier to champion
World number one Novak Djokovic earned his 1,000th tour-level victory by beating Casper Ruud 6-4, 6-3 on Saturday to reach the Italian Open final.
Reigning Paris Masters champion Novak Djokovic beat Stefanos Tsitsipas in a three-set epic on Saturday to set up a title clash with Holger Rune, who reached his first ATP Masters 1000 final after a comfortable win over Felix Auger-Aliassime.
Defending champion Stefanos Tsitsipas showed no signs of fatigue following Friday's marathon battle as he eased past German Alexander Zverev 6-4, 6-2 to reach the Monte Carlo Masters final on Saturday.
Stefanos Tsitsipas feels he is unfairly targetted by officials over on-court coaching and said that it should be allowed anyway, after his Australian Open semi-final loss to Daniil Medvedev on Friday.
Top-ranked Iga Swiatek cruised past Veronika Kudermetova in the semi-final of the Madrid Open to set up a second straight final showdown with world number two Aryna Sabalenka.
Andy Murray may have been the forgotten man at the US Open but gave the crowd and Stefanos Tsitsipas a match to remember, forcing the third seed to grind out a 2-6, 7-6(7), 3-6, 6-3, 6-4 win on Monday and avoid the opening round shocker.
'My arm has been -- I have had an issue there for quite a while now. It has gotten bigger in the last couple of weeks, so I'm just trying to protect it.'
As the spotlight shines on Carlos Alcaraz's title defence and Novak Djokovic's pursuit of a record 25th Grand Slam, a determined group of challengers is quietly preparing to shake up the draw.
'I think it will be environmentally very beneficial. Life is such a hustle, and you never get the time to spend with your family and connect with them'
After dropping the third set, Tsitsipas took a medical timeout to receive treatment on his left foot. Following set four, in which he held a 5-0 lead before a late Murray charge, Tsitsipas took an extended bathroom break and changed his kit.
Images from Day 3 of the US Open, at Flushing Meadows, New York.
IMAGES from Day 9 of the French Open at Roland Garros in Paris on Monday.
IMAGES from Day 3 of the 2022 French Open at Roland Garros in Paris on Tuesday.
The ATP Finals, in its 50th edition, is being staged in London's O2 Arena for the 12th and last time before it moves to Turin and sadly plans for a vibrant farewell party in front of the usual sell-out crowds has been scuppered by the COVID-19 pandemic.
He took to Instagram to write about the tragedy, putting life in perspective.
'The bubble makes it really tiring week by week'
'...What is at stake, however, is his ability to assess the need for vaccinations or whether the vaccine has been tested for a sufficient period of time. And ... he has neither the knowledge nor the studies nor the research work that would allow him to form an opinion about it.'
World number one Novak Djokovic has been "playing by his own rules" and has put his bid for a 21st Grand Slam title at risk by not following Australia's COVID-19 vaccination requirements, world number four Stefanos Tsitsipas said on Thursday.
The 22-year-old, who was looking to become the first Greek player to win a Grand Slam title, is, however, confident that he is on the right path to break the dominance of the two players who have won 11 of the last 12 majors.
Tallon Griekspoor staged a grand recovery, saving four match-points, before stunning top seed Daniil Medvedev 2-6, 7-6(7), 7-5 to reach the semi-finals of the Dubai Championships on Thursday.
Defending champion Stefanos Tsitsipas came out on top from a thrilling quarter-final clash with Diego Schwartzman, prevailing 6-2, 6-7(3), 6-4 on Friday to set up a meeting with Alexander Zverev at the Monte Carlo Masters.
Norrie's semi-final opponent will be another American, fourth-seeded Tommy Paul, who crushed Stefan Kozlov 6-3, 6-1 in an all-US matchup.