Serena displayed great mobility to win successive points after long rallies -- one of 21 shots, one of 13 -- and secure what proved to be a decisive break of serve.
Sinner won in Cincinnati this week to claim his fifth title of a breakout season before the revelation that he avoided a ban over two positive tests
Ashleigh Barty stunningly lost her chance to regain the number one world ranking when the Australian was beaten in straight sets by Russian Svetlana Kuznetsova.
Images from the second day at the US Open, the final Grand Slam tournament of the year.
A gangster's recollections, a tennis champ's triumph and a two-timing teenager -- Sukanya Verma gives you OTT recommendations for the week.
Roger Federer rallied from a set down to beat Moldovan surprise package Radu Albot 4-6, 7-5, 6-3 in a stuttering start to the 20-times Grand Slam champion's Miami Open campaign on Saturday.
Summary of sports events and persons who made news on Sunday
Swiatek's dominance on clay that the top seed from Poland has won her last 20 matches at Roland Garros, as she bids for a third successive trophy to add to her maiden Grand Slam triumph in Paris four years ago
Aryna Sabalenka is the red-hot favourite at Melbourne Park, where another victory would give her a fourth major title and widen the gap in the rankings to Poland's Iga Swiatek and Coco Gauff of the United States.
Serena Williams said she did not know her coach was giving her instructions and had "never cheated in her life" after her hopes of winning a 24th Grand Slam title ended in extraordinary scenes at the US Open on Saturday.
Japan's Naomi Osaka ($37.4 million), who was ranked 29th on the list, surpassed fellow tennis player Serena Williams ($36 million) as the world's highest-earning female athlete.
The top-seeded Serb, who had not dropped a set in four matches since the round of 16 at the Australian Open in January, looked out-of-sorts throughout the 98-minute contest.
Caroline Wozniacki outlasted Agnieszka Radwanska 4-6, 7-5, 6-4 in a dog fight of a semi-final at the Pan Pacific Open on Saturday to end the Pole's reign at the Ariake Coliseum.
Form guide for American Serena Williams ahead of Thursday's US Open semi-final clash against Latvia's Anastasija Sevastova:
Of the top 15 on Forbes' list of best-paid female athletes, 12 were tennis players. Indian badminton player PV Sindhu came in tied for 13th ($5.5 million), with Thai golfer Ariya Jutanugarn ($5.3 million) rounding out the top 15.
Defending champion Naomi Osaka of Japan was upset 7-5, 6-4 by Belinda Bencic in the fourth round at the US Open on Monday as the Swiss reached the quarter-finals for the second time.
Carlos Alcaraz will be backed to extend his winning run at the Grand Slams to 16 matches following triumphant French Open and Wimbledon campaigns.
World number two Aryna Sabalenka will not play at the Indian Wells tournament after testing positive for COVID-19, the 23-year-old said.
The torchbearer's face will likely be seen by hundreds of millions of people watching around the world.
Serena Williams said on Sunday she will not compete at this week's Miami Open as the 23-times Grand Slam champion is recovering from oral surgery.
Conchita Martinez, the coach of former world number one Garbine Muguruza, tested positive for COVID-19 after arriving in Doha ahead of the Qatar Open which begins on Monday.
Images from Day 1 of the French Open matches played at Roland Garros on Sunday
Defeat for Williams was a major blow to her preparations for the French Open
Serena Williams and Naomi Osaka will join Rafael Nadal and Novak Djokovic in playing a pre-Australian Open warm-up exhibition
American Stephens stayed calm and saw off an increasingly agitated Angelique Kerber in the winner-takes-all night match to complete round-robin play with a spotless 3-0 record after she wrapped up a 6-3, 6-3 victory against the German.
Djokovic continues to lead ATP Rankings
IMAGES from Australian Open matches played at Melbourne Park on Friday
This year's French Open welcomes up to 5,388 spectators
Rafael Nadal gave a much improved performance to advance into the quarter-finals of the Barcelona Open on Thursday, dispatching Spanish compatriot and crowd favourite David Ferrer 6-3, 6-3.
Mixed reactions pour in as Osaka debate rages on.
'United by Emotion' was revealed as the motto for the Tokyo 2020 Olympics and Paralympics on Monday as organisers look to hammer home the message of diversity and inclusion. Tennis player Naomi Osaka, who was born in Japan to a Haitian father and Japanese mother but raised in the United States, narrated the motto's promotional video.
Images from Day 3 of the Australian Open in Melbourne on Wednesday
IMAGES from Day 10 of the US Open matches played in New York on Wednesday
The caricature of an angry Williams -- with exaggerated lips and tongue and a wild plume of curly hair rising above her head as she stomped on her tennis racket -- was condemned as racist by civil rights leaders, celebrities and fans.
Osaka takes equity stake in crypto exchange FTX
Iga Swiatek cemented her position as the undisputed queen of clay
Top-ranked Iga Swiatek of Poland faces Irina-Camella Begu of Romania in the opening round of the women's draw with second-seeded American Coco Gauff taking on Australian Ajla Tomljanovic.
Serena Williams and Naomi Osaka advanced to the Rogers Cup quarter-finals on Thursday to set up their first meeting since the American's infamous row with an umpire overshadowed last year's US Open final.
Serena Williams, who had come into the first Grand Slam since in Auckland claiming her first title since becoming a mother, suffered an error-strewn 6-4, 6-7(2), 7-5 defeat by China's Wang Qiang in the third round at the Australian Open on Friday.
Serena Williams shook off some COVID-19 layoff rust to grind out a 7-6(6), 3-6, 7-6(0) win over Dutch qualifier Arantxa Rus on Monday to move into the third round of the Western and Southern Open.
