Kyrgios did not face a single break point and hit 18 aces, including two to close out the final.
Japan's Kei Nishikori overcame Daniil Medvedev in the Brisbane International final on Sunday for his first ATP title in nearly three years and the 12th of his career.
Novak Djokovic will begin his Australian Open title defence against Frenchman Jeremy Chardy, while reigning women's champion Sofia Kenin meets wild card Maddison Inglis, following the draw for the year's first Grand Slam on Friday.
This year's Australian Open will be allowed to admit up to 30,000 fans a day, around 50% of usual capacity, amid the COVID-19 pandemic.
AELTC took the decision in the wake of Russia's invasion of Ukraine
The 'Big Three' of men's tennis have found some "fresh energy" to thwart the charge of younger players on the tour, world number one Novak Djokovic said after setting up yet another title clash against his biggest rival against Rafael Nadal.
Andrey Rublev and Alexander Zverev clinched the Laver Cup for Team Europe with a 6-2, 6-7(4), 10-3 win over Team World's Reilly Opelka and Denis Shapovalov on Sunday in Boston.
Homeland favorite Ashleigh Barty and Serbia's Novak Djokovic are the top seeds for the upcoming Australian Open.
Novak Djokovic is aware of Kei Nishikori's battling qualities having lost twice to the Japanese in 17 career meetings.
Federer, Nadal and Djokovic had made it near impossible for their peers to live, and thrive, amongst them. But the coming generation, which hasn't been as scarred by defeat at the hands of the Big 3, may make tennis unpredictable again.
Nadal said he did not expect to go all the way at Melbourne Park
South Korea's Chung Hyeon said he hopes the shot clock being tested out at the inaugural Next Gen ATP Finals in Milan will become a regular feature on the Tour because it allows him to clean his spectacles without worrying.
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.
French Open champion Barty exited the tournament in the last 16 but regained the number one spot after last year's champion Naomi Osaka was also knocked out at the same stage.
IMAGES from the US Open matches played on Day 1 at the Flushing Meadows in New York on Monday.
Serena Williams, hoping to win a record-equalling 24th Grand Slam singles title, will start her campaign against fellow American Kristie Ahn.
Novak Djokovic will need to spend some time on the sidelines recovering from a muscle tear that hindered him in the later rounds of the Australian Open, the Serbian said as he celebrated his ninth Melbourne Park title on Monday.
Big serving Berrettini is having a breakout year, with two titles under his belt, one on grass and one on clay, and is now on the brink of becoming the first Italian male grand slam finalist in more than 40 years.
IMAGES from Day 6 of the matches played at the US Open at Flushing Meadows on Saturday.
Eight-time Wimbledon champion Roger Federer, who turns 40 this year, takes on Frenchman Adrian Mannarino in round one.
Tokyo Olympics gold medallist Neeraj Chopra has been selected as one of the six nominees for the 2022 Laureus World Breakthrough of the Year Award.
Even though Carlos Alcaraz recently dethroned him from the top of the world rankings, Novak Djokovic is still considered the man to beat and still has the power to turn opponents into nervous wrecks.
Grand Slam champions Daniil Medvedev from Russia and Belarusian Victoria Azarenka will not be able to participate in the June 27-July 10 tournament.
Rafael Nadal had just beaten rising Greek force Stefanos Tsitsipas in a classic scrap at the ATP Finals but had no idea whether it was good enough to keep him in the tournament.
A summary of Friday's action at the US Open.
In the crucial ninth game Suarez Navarro seemingly held but Sabalenka challenged an ace at 40-15 and won the discussion.
Nadal and Williams headline party for all ages at US Open
While Djokovic has a firm grip on top spot, there will be a new number two on March 15 in Russian Daniil Medvedev, who will climb one place to his career-best ranking to replace Nadal, who has not played since the Australian Open due to a back injury.
The 21-year-old has now recorded victories over all of tennis's so called 'Big Three' this year, having beaten Roger Federer at the Australian Open and Rafa Nadal in Madrid.
Images from Day 9 of the 2021 US Open in New York on Wednesday.
Images from Day 6 of the 2021 French Open at Roland Garros in Paris on Friday.
Not since Stan Wawrinka's 2016 US Open triumph has a Grand Slam been won by someone other than the 'Big Three', winners of the last 13 major titles.
Alcaraz outlasts Hurkacz, Ruud stunned at Canadian Open
Images from the men's singles fourth round matches at the Australian Open, on Sunday.
All players who want a visa to compete in the Australian Open will need to be fully vaccinated for COVID-19, the country's immigration minister said on Wednesday, putting Novak Djokovic's title defence and Grand Slam record bid in doubt.
On Sunday the Ukrainian Tennis Federation urged the sport's governing body the International Tennis Federation (ITF) to immediately expel Russia and Belarus from the organisation and ban Russia from team and individual tournaments. Also, athletes from Ukraine and other nations have called on the International Olympic Committee (IOC) to suspend Russia and Belarus and ban their athletes from events immediately.
Italian seventh seed Jannik Sinner beat Tommy Paul to set up a Canadian Open final clash with Australia's Alex De Minaur
Sweden and Novak Djokovic's Serbia took the two best runners-up spots and a place in the last eight by virtue of their better match win-loss records among the second placed sides throughout the group stages.
With each passing year questions are inevitably asked about whether Nadal's vice-like hold on the French Open will be loosened. Each time, the answer has been an emphatic NO.
A summary of Tuesday's action at the US Open.