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.

Djokovic, a four-time champion at the tournament and seeking a record 25th Grand Slam title, was leading 6-4, 6-4, 2-0 when Djere called it quits.

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.

Midnight matches may be popular with fans but not with old campaigner Novak Djokovic, who bemoaned a late night at the start of his U.S. Open title defence on Monday.

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.

Djokovic, speaking to reporters as he prepared to defend his US Open title, said players who have bemoaned a lack of transparency in the Sinner case make a valid point.

Tennis world number one Jannik Sinner said Friday he was relieved to escape a doping ban after twice testing positive for a banned substance, even though he said that he hasn't "done anything wrong."

Jabeur, a two-time Wimbledon finalist, lost her most recent match earlier this month against Naomi Osaka in the opening round in Toronto.

World number one Jannik Sinner is "honest to the core" and is an "innocent victim" his coach Darren Cahill said after the Italian was cleared of any wrongdoing despite twice testing positive for a banned substance.

Tennis world number one Jannik Sinner has been cleared of any wrongdoing after twice testing positive for a banned substance earlier in the season, the International Tennis Integrity Agency (ITIA) announced Tuesday.

Tennis world number one Jannik Sinner has been cleared of any wrongdoing for two anti-doping violations earlier in the season, the International Tennis Integrity Agency (ITIA) announced Tuesday.