China's Zheng Qinwen is bidding to become the fourth woman to win Olympic gold and the US Open title in the same year
Images from the men's singles action at the US Open on Sunday.
World number one Novak Djokovic lost to rivals Roger Federer and Andy Murray in the finals of US Open warm-up events but the Serb insists those defeats have aided his preparations for the last grand slam of the season.
Karolina Pliskova, a grand slam underachiever, took a big step towards shedding that unwanted label by sweeping past Croatian teenager Ana Konjuh 6-2 6-2 on Wednesday to roar into the semi-finals of the U.S. Open.
Form guide for American Serena Williams ahead of Thursday's US Open semi-final clash against Latvia's Anastasija Sevastova:
Here are five things to watch for on day eight of the US Open on Monday.
Russian and Belarusian players will be allowed to compete at the US Open this year but only as neutrals, the United States Tennis Association (USTA) announced on Tuesday.
Rafael Nadal captured his second US Open title when he beat top-seeded Novak Djokovic 6-2, 3-6, 6-4, 6-1 in Monday's final. The win gave the second seeded Nadal, this year's French Open champion, his 13th Grand Slam title and first at Flushing Meadows since 2010.
Ana Konjuh was not a year old when Serena Williams played her first US Open match but both will be in the Arthur Ashe Stadium spotlight on Wednesday, with four gripping quarter-finals to take centre stage at the year's final Grand Slam.
Ana Konjuh has opened some eyes at Flushing Meadows as the 18-year-old former world number one junior emerged to reach her first Grand Slam quarter-final at the US Open.
Naomi Osaka announced her arrival on the big stage at the US Open on Thursday, beating last year's runner-up Madison Keys 6-2, 6-4 to reach her first Grand Slam final.
US Open champion Carlos Alcaraz crashed to defeat on his debut as world number one, losing to Canada's Felix Auger-Aliassime in their Davis Cup Finals group-stage clash on Friday.
This time last year, Federer was the pundits' pick to claim a third Grand Slam title of 2017 in New York, after roaring back from a season decimated by injury to win the Australian Open and Wimbledon.
Dominic Thiem has reached a Grand Slam final three times - only to lose on each occasion
Rafael Nadal was at his awe-inspiring best as he recovered from a first set wobble to crush Juan Martin del Potro 4-6, 6-0, 6-3, 6-2 in the US Open semi-finals on Friday and move within reach of a 16th grand slam title.
France's Benoit Paire has tested positive for COVID-19 and pulled out of the US Open starting on Monday, French sports daily reported on Sunday. Paire, seeded 17th at the Grand Slam event, had been scheduled to play Poland's Kamil Majchrzak in the first round at Flushing Meadows on Tuesday.
IMAGES from Day 5 of the Wimbledon Championships, at the All England Lawn Tennis and Croquet Club, London, on Friday.
Frances Tiafoe said his days of flying under the radar were over
The United States Tennis Association said on Tuesday that a non-player has tested positive for the virus within the controlled environment that will host the Western & Southern Open and the US Open in New York.
The win burnished Murray's reputation as one of the world's leading doubles exponents,
Iga Swiatek, Aryna Sabalenka and Coco Gauff, are a handful of contenders ready to swoop in
Rohan Bopanna, along with his Romanian partner Florin Mergea, crashed out of the quarter-finals of the men's doubles at the US Open. The Indo-Romanian combine, semi-finalists at Wimbledon this year, lost 6-7 (2), 3-6 to Dominic Inglot of Great Britain and Robert Lindstedt of Sweden.
Serena Williams will rest for a week after withdrawing from the Swedish Open due to an elbow problem but is confident the injury will not derail her preparations for the US Open.
Federer, Djokovic headline Day 2 at Flushing Meadows
The World No 1 told reporters on Friday that his strong performances this season -- including clinching yet another Roland Garros title in June -- have given him momentum heading into the fourth major of the year next week.
Britain's Jamie Murray and Brazil's Bruno Soares swept the Spanish duo of Pablo Carreno Busta and Guillermo Garcia-Lopez 6-2, 6-3 to win the US Open doubles on Saturday for their second grand slam title of the year.
Croatia's Mate Pavic and Germany's Laura Siegemund claimed the first silverware of the U.S. Open on Friday, landing the mixed doubles title with a 6-4, 6-4 upset win over the seventh-seeded US partnership of Rajeev Ram and Coco Vandeweghe.
World No 1 Sania Mirza and her Czech partner Barbara Strycova were ousted from the women's doubles event after losing to top seeds Caroline Garcia and Kristina Mladenovic in straight sets in the quarter-final of the US Open, in New York.
India's Sania Mirza and Rohan Bopanna progressed with their respective partners but Leander Paes' campaign ended after the veteran suffered a second-round defeat with Martina Hingis in the mixed doubles at the US Open.
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.
Nadal appeared close to retiring mid-match on Wednesday on Centre Court but he found the will to beat Fritz
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.
Sharapova was granted a wildcard entry to the last Grand Slam of the season but received a tough first-round draw in the shape of Romanian Halep.
Anderson, a member of the ATP Player Council, said he felt it was a matter of time before the final-set tiebreak came in.
Alcaraz will face German Alexander Zverev or two-time runner-up Casper Ruud of Norway on Sunday.
Dowse said that the women's competition will see 10 former Grand Slam champions, including 23-time major winner Serena Williams, along with 81 of the top 100. In the men's event, seven of the world top ten are competing.
Serena Williams will be wary of another semi-final slip-up when she takes to the Arthur Ashe Stadium court on Thursday to face 10th seed Karolina Pliskova for a spot in the US Open final.
IMAGES from Day 10 of the Australian Open in Melbourne on Tuesday.
Here is a factual guide on the man of the moment...
Top ranked Serena Williams won her third consecutive U.S. Open women's championship when she defeated Denmark's Caroline Wozniacki 6-3, 6-3 on Sunday.