Jannik Sinner produced a brutal display of baseline power as he became the first Italian man to win the US. Open with a 6-3, 6-4, 7-5 win over American Taylor Fritz in the final on Sunday.
Jannik Sinner won his second Grand Slam title of 2024 on Sunday when he swept aside Taylor Fritz in the US Open final, shattering American hopes of a first male champion at the majors in 21 years.
Pegula has now won 15 of 16 matches on the US summer hard court swing which saw a title in Toronto and defeat in the Cincinnati final to Sabalenka.
Sabalenka sent down 34 winners to the 13 of the 23-year-old American in the tie.
The 23-year-old Italian is the only man to have made the quarter-finals of all four majors this season.
The 20-year-old's exit means Serena Williams remains the last woman to successfully defend the US Open title back in 2014.
Four-time French Open champion Swiatek was equally dominant as Sinner as the top-seeded Pole eased into the fourth round with a 6-4, 6-2 victory over Russia's Anastasia Pavlyuchenkova.
Alcaraz lost 6-1, 7-5, 6-4, ending his bid to become only the third man in the modern era to win the French Open, Wimbledon and US Open in the same season.
Alcaraz, the 2022 champion, is seeded to meet Sinner in the semi-finals.
In the middle of the afternoon at Flushing Meadows, the searing heat reached 35 degrees Celsius (95 Fahrenheit).
Ruse, ranked 122nd in the world, pulled off the biggest upset of the tournament so far with her win over the eighth-ranked Krejcikova.
Sinner marked his return to the courts for the first time since it was revealed he had failed two drugs tests, coming back from a set and break down to defeat Mackenzie McDonald at the US Open.
Daniel Evans rallied from 0-4 down in the final set to beat Karen Khachanov in the longest match in US Open history on Tuesday, a five-hour, 35-minute epic on court six.
Djokovic arrived on Arthur Ashe Stadium for his 40th career night match at the tournament with two gold bags slung over his shoulder in a nod to his recent Olympic success in Paris.
Gauff, seeded third, fired 10 aces and needed just 66 minutes to beat 66th-ranked Gracheva. She saved eight break points -- including two with aces in the final game
Seventh seed Zhengconverted six of her 11 break-point chances during a two hour 20-minute match.
The US Open brings down the curtain on the 2024 Grand Slam season with newly minted Olympic gold medallist Novak Djokovic aiming to add to his cache of major titles after failing to do so since bagging No. 24 at Flushing Meadows last year.
Djokovic, who will once again bid for a record 25th Grand Slam title at Flushing Meadows, has been upstaged by younger rivals this season, losing to Jannik Sinner in the Australian Open semi-finals and Carlos Alcaraz in the Wimbledon final.
Alcaraz won his first Grand Slam title at Flushing Meadows in 2022. He's piled up three more since then, including this year's French Open and Wimbledon.