The Australian Open champion never faced a break point and used her hard and accurate serve to dispatch Gauff.
Kyrgios added that he had been in communication with Tennis Australia chief executive Craig Tiley and United Cup tournament director Stephen Farrow about his injury.
IMAGES from Day 5 of the French Open at Roland Garros in Paris on Thursday.
IMAGES from Day 8 of the action at the US Open at USTA Billie Jean King National Tennis Center at Flushing Meadows in New York on Monday.
Serbia's Novak Djokovic outclasses Russia's Andrey Rublev to set up a meeting with unseeded Tommy Paul in the semi-finals of the Australian Open on Wednesday.
Grigor Dimitrov dispatched American 10th seed Frances Tiafoe in straight sets with a convincing 6-2 6-3 6-2 victory on Sunday.
IMAGES from Day 6 of the 2023 US Open on Saturday.
Stan Wawrinka outlasted Frances Tiafoe over three sets to set up an all-home quarter-final against compatriot and fellow veteran Roger Federer at the Swiss Indoors on Thursday. The 34-year-old Waewrinka, who won 6-3, 3-6, 7-5, will attempt to beat Federer for only the fourth time when they meet for their 27th clash on Friday in a dream tie for the Basel crowd.
Big-serving Canadian Milos Raonic fired 19 aces to topple Sam Querrey 6-4, 6-4 and set up a second-round clash with either Dan Evans or Russian 10th seed Andrey Rublev.
Some of the most iconic moments of Roger Federer's glittering career featured Rafael Nadal across the net but on Friday his great Spanish rival will be alongside him for his final bow.
American Frances Tiafoe celebrated his 21st birthday by stunning Bulgaria's Grigor Dimitrov 7-5, 7-6(6), 6-7(1), 7-5 in the fourth round of the Australian Open on Sunday.
Images from Day 4 of the 2023 Australian Open, at Melbourne Park.
Spanish teenager Carlos Alcaraz beat Norway's Casper Ruud 6-4, 2-6, 7-6(1), 6-3 in the men's singles final at the US Open on Sunday to win his maiden Grand Slam title and rise to world number one for the first time.
Coco Gauff rallied from a break down in the final set to beat Swede Rebecca Peterson and reach the Indian Wells quarter-finals for the first time
World number one Carlos Alcaraz retired injured against Holger Rune at the Paris Masters on Friday, sending his fellow 19-year-old through to the semi-finals, while Novak Djokovic and Felix Auger-Aliassime also sealed places in the last four.
Wimbledon debutant Eubanks ends Tsitsipas's challenge in fourth round.
Organisers are confident a rain-hit opening day will not hold up the tournament.
The top-ranked Indian will face American World No 39 Frances Tiafoe in the first round of the Australian Open
A round-up of all tennis action on Friday.
Images from Day 5 of the 2023 Australian Open at Melbourne Park on Friday.
Fritz delivers as US win inaugural United Cup crown
Federer may have set the benchmark on how to do tennis retirements. He didn't go out in a blaze of lonely glory but in the warmth of friendships formed over the years, observes Deepti Patwardhan.
Not many would have bet on unseeded Americans Danielle Collins and Frances Tiafoe making it to the Australian Open quarter-final
A round-up of all tennis action on Saturday.
Federer, Djokovic headline Day 2 at Flushing Meadows
Yuki Bhambri's maiden appearance at the French Open ended with a first round defeat as he lost his opening men's singles match to Belgium's Ruben Bemelmans in straight sets, in Paris, on Tuesday.
The 29-year-old dismissed suggestions that his Australian Open appearance could motivate more players in the world's second-most populous country.
The former world number one, who is easing his way back to full match fitness after a career-saving resurfacing procedure in January, saved all four break points he faced and dropped only six points on his first serve.
Federer and world number one Nadal won the first three grand slam titles of the season as they came back to prominence with a bang, and nothing suggests their first-round opponents, American Frances Tiafoe and Serbian Dusan Lajovic, will bother them.
Images from Day 9 of the Wimbledon 2022 Championships at the All England Lawn Tennis and Croquet Club in London, on Tuesday.
Images from the 2022 Wimbledon Championships at the All England Club in London on Sunday.
Simona Halep ended Beatriz Haddad Maia's dream run in Toronto
The 21-year-old Coric came from two sets to one down to defeat the 20-year-old debutant Tiafoe 6-7(0), 6-1, 6-7(11), 6-1, 6-3 and finally subdue a remarkable fightback from the Americans, who had earlier levelled the tie 2-2 from two down.
India's Prajnesh Gunneswaran said he 'struggled a bit with the sun' and that it cost him a lot at the Australian Open, ending his maiden Grand Slam appearance in a first round exit.
Stephens sees success of Black women inspiring new generation.
Building the stamina to consistently survive the rigours of playing five-set matches will top Andy Murray's agenda as the former US Open champion, who has undergone two hip surgeries, plots the revival of his career.
Since 2003, one of Roger Federer, Novak Djokovic, Rafael Nadal or Andy Murray have won the title at Wimbledon, with the Swiss leading the way with eight titles.
IMAGES from Day 5 of the Wimbledon Championships at All England Lawn Tennis and Croquet Club on Friday.
Petra Martic kept her composure to advance to the Round of 16
Andy Murray claimed the biggest win of his comeback and a place in the last 16 of the Western and Southern Open on Monday by taking out self-destructing fifth seed Alexander Zverev 6-3, 3-6, 7-5.