World number one Naomi Osaka will "probably" defend her US Open title, even if it means defying her doctor's orders.
Venus Williams also went the distance before claiming a 2-6, 6-3, 6-3 victory over Croatia's Donna Vekic.
World number one Novak Djokovic blasted past qualifier Alexei Popyrin 6-4, 6-2 to reach the second round of the Japan Open Tennis Championships in Tokyo.
Australia's Alex de Minaur fought back from a set down to beat former world number one Andy Murray
Former world number one Andy Murray won his first ATP tour singles match in nearly nine months with a 6-3, 6-7(6), 6-1 victory over American Tennys Sandgren in the opening round of the Zhuhai Championships.
Sizzling hot Andy Murray roared into his seventh successive final with a commanding victory over Canadian Milos Raonic at the Western & Southern Open in Cincinnati on Saturday.
Olympic and Wimbledon champion Andy Murray picked up where he left off in Rio by drubbing Argentina's Juan Monaco to take his place in the third round of the Western & Southern Open in Cincinnati on Wednesday.
Overpowers Svitolina to reach second straight US Open final
External Affairs Minister Sushma Swaraj ruled out the possibility of a hate crime.
While prone to losing to modest opponents, Kyrgios often produces his best tennis when up against one of the 'Big Three' of Novak Djokovic, Roger Federer and Nadal.
A six-time champion at Flushing Meadows, Williams was once money in the bank when it came to the US Open
Defending champion Serena Williams finished her last US Open tune-up in style by beating Romanian third seed Simona Halep 6-3, 7-6(5) to win the Western & Southern Open on Sunday.
Roger Federer avenged his Wimbledon final loss to Novak Djokovic by beating the top-seeded Serb 7-6(1), 6-3 on Sunday to capture his second consecutive Western & Southern Open title.
Sania Mirza was the only Indian left competing in the Western and Southern Open by reaching the semi-finals as Leander Paes and Rohan Bopanna were ousted from the men's doubles with their respective partners in Cincinnati.
Defending champion Serena Williams reached the semi-finals of the Western & Southern tournament in Cincinnati but not before having her mettle tested in a 3-6, 6-4, 6-2 win over sixth-seeded Serb Ana Ivanovic on Friday.
Rohan Bopanna and Florin Mergea saved a match-point before emerging winners, while Sania Mirza and Martin Hingis were also tested en route to the quarter-finals of the ATP/WTA Western and Southern Open, in Cincinnati, on Thursday.
Leander Paes and Stanislas Wawrinka shocked 2014 Wimbledon champions Vasek Pospisil and Jack Sock 7-6(4), 3-6, 10-3 to make it to the doubles quarter-finals at the ATP Masters Western and Southern Open, in Cincinnati, on Tuesday.
They now face eighth-seeded pair of Canada's Vasek Pospisil and local boy Jack Sock, whom they beat 6-1, 6-4 in Paris.
Four times now, twice at Wimbledon (2018, 2019) and at the US Open (2018, 2019) Serena Williams has come agonizingly close to that 24th Grand Slam only to fall at the final hurdle.
Nadal, who got a first-round bye, defeated Richard Gasquet 6-3, 6-4 to advance.
Top seed Rafa Nadal overwhelmed Russia's Daniil Medvedev 6-3, 6-0 to win his fifth Rogers Cup on Sunday in Montreal -- the first time he has retained a title outside of clay.
Roger Federer's hopes of adding to his record Grand Slam haul got a boost as he beat Spain's David Ferrer 6-3, 1-6, 6-2 to win the Western and Southern Open title in Cincinnati on Sunday in the last key U.S. Open tune-up event.
Fifth seeds Leander Paes and Radek Stepanek were eliminated from the ATP Cincinnati Masters following their defeat to Vasek Pospisil and Jack Sock, in Cincinnati on Wednesday.
Roger Federer survived an opening-match fright by outlasting Canada's Vasek Pospisil 7-6 (4), 5-7, 6-2 on Wednesday to claim his 300th Masters Series win and reach the third round of the Western and Southern Open in Cincinnati.
Summary of sports events and persons who made news on Monday
Serena Williams brushed off some serving troubles before cruising to a 6-4, 6-3 win over Elina Svitolina on Saturday and will meet Simona Halep in the Western & Southern Open final.
Five times Cincinnati winner Roger Federer blunted Andy Murray's attempt at a comeback, while women's World No 1 Serena Williams roared to victory as they moved into the semi-finals at the Western & Southern Open on Friday.
India's campaign ended at the Cincinnati Masters tennis tournament after Sania Mirza and Cara Black went down to Anabel Medina Garrigues of Spain and Kazakhstan's Yaroslave Shvedova in their women's doubles second round match.
Spain's Tommy Robredo shocked world number one Novak Djokovic 7-6(6), 7-5 on Thursday to move into the quarter-finals of the Western and Southern Open in Cincinnati.
World No 1 Serena Williams won a tense battle of U.S. Open champions by beating Australia's Samantha Stosur 7-6(7), 7-6(7) on Wednesday to reach the third round of the Western and Southern Open in Cincinnati.
The 14-time Grand Slam winner said he is happy and proud to have reached the summit of the game for a fourth separate spell.
World No 2 Djokovic, who received a first-round bye, broke his opponent's serve four times to extend his winning run to 19 matches.
World number one Simona Halep pulled out of next week's WTA Finals due to a lower back injury.
Defending US Open champion Rafael Nadal and twice winner Novak Djokovic are one victory away from renewing their rivalry in the final with both expected to get through their semis on Friday.
Pruthviraj Kandepi, who hailed from Guntur district of Andhra Pradesh, was killed in the shootout.
Victoria Azarenka won a showdown between the world's two top players by beating number one Serena Williams in a three set 2-6, 6-2, 7-6 thriller in the final of the Western and Southern Open on Sunday.
Paes and his Czech partner Radek Stepanek beat Jerzy Janowicz and Lukasz Kubot while Bopanna and Edouard Roger-Vasselin got the better of Andreas Seppi and Mikhail Youzhny in second round matches.
Serena Williams returns to the Arthur Ashe Stadium on Sunday
Frenchman Benoit lost his temper in the third game of the second set when top seed Tsitsipas halted the match to attend to a broken shoe lace.
World number one Simona Halep was upset 6-2, 6-4 by unseeded Estonian Kaia Kanepi in the U.S. Open first round on Monday, the second consecutive year the Romanian has lost her opening match at Flushing Meadows.