Swiss great Roger Federer is due to take to the court later in the day for the final match of his career, with the 41-year-old partnering his great rival Rafael Nadal to face the American duo of Sock and Frances Tiafoe.
Novak Djokovic's parents, wife and children watched him win a record-breaking 23rd Grand Slam title at the Philippe Chatrier court on Sunday.
A summary of Tuesday's action at the US Open.
World number one Carlos Alcaraz faces a potential quarter-final clash with old foe Jannik Sinner in his US Open title defence, and American Coco Gauff is on a collision course with defending champion Iga Swiatek on the women's side.
Iga Swiatek's maiden triumph at the US Open extended her lead to almost twice as many points as the second-ranked Ons Jabeur
The five top contenders for the men's title at the US Open.
Nadal was the favourite and top seed having lifted the Barcelona Open trophy last month but played below par on a sweltering spring day.
In the ongoing Monte Carlo Masters, Jannik Sinner clinched a hard-fought win as Casper Ruud crashed out.
Rafael Nadal is aiming to successfully defend his Australian Open title at the first Grand Slam of the year in January after an injury-plagued 2022.
Novak Djokovic said winning a record 23rd men's singles Grand Slam title at the French Open was special given that it was always the toughest one to win for him.
Russian Andrey Rublev has become the fifth singles player to qualify for the season-ending ATP Finals in Turin next month, the men's tour said.
Rafael Nadal's absence from Indian Wells saw the 22-times Grand Slam champion slip out of the top 10 for the first time since 2005.
The 35-year-old also paid tribute to Messi, who played for Real's arch-rivals Barcelona.
India had mixed fortunes at the US Open on Friday. Rohan Bopanna advanced to the men's doubles second round partnering Denis Shapovalov, but Leander Paes, teaming with Guillermo Duran, made a first-round exit.
Nadal said he needs to stop playing for the foreseeable future to make a full recovery and return for what he anticipates will be his farewell season.
Images from Day 9 of the 2023 French Open at Roland Garros in Paris on Monday.
Novak Djokovic said he has been experiencing slight discomfort in his right knee for a couple of weeks.
Novak Djokovic reclaimed the world number one ranking from Carlos Alcaraz
Novak Djokovic will prepare for a tilt at an 11th Australian Open title by representing Serbia at the United Cup mixed team tournament while old rival Rafael Nadal and former women's world number one Naomi Osaka return at Brisbane after time away.
Daniil Medvedev, the 2021 champion, will need to shake off a run of poor form if he is to mount a challenge.
Jannik Sinner bounced back after losing the first set to beat Tallon Griekspoor in the third round of the Miami Open.
Novak Djokovic claimed a record-breaking 23rd men's singles Grand Slam title when he beat Norway's Casper Ruud 7-6(1) 6-3 7-5 in the French Open final.
Novak Djokovic will begin his quest for a record-extending 10th Australian Open title against Roberto Carballes Baena.
Factbox on Carlos Alcaraz, who beat seven-time champion Novak Djokovic
World No 1 Iga Swiatek overcame a strong early challenge from former champion Sofia Kenin to reach the second round of the Australian Open
'I'm happy to be part of this Italian movement. People, they start to play tennis now more and more, which is great to see. I think that's the most important.'
'It's pretty amazing to get the call from the Spanish king'
Hubert Hurkacz battled back from a set and a break down to beat Casper Ruud 5-7 6-3 6-2 on Saturday and reach the Canadian Masters final.
10 Interesting Glimpses from the French Open.
World No. 1 Novak Djokovic remained at the top of the rankings chart
Federer beats Ruud, becomes oldest man to reach French Open 4th round since 1972
Carlos Alcaraz swatted aside a swarm of bees and world number six Alexander Zverev to reach the semi-finals at Indian Wells.
Holder Stefanos Tsitsipas moved into the Monte Carlo Masters quarter-finals with a 7-5 7-6(1) victory over Laslo Djere
'...but at the same time we were able to understand that personal relationships are more important than sometimes professional things.'
The Italian is the youngest winner on the men's tour since Japan's Kei Nishikori won the Delray Beach Open at the age of 18 in 2008.
The Davis Cup tie will be held either on September 16-17 or 17-18 while tennis event at the Asian Games are scheduled to be held from September 10-14.
India's youngster Sumit Nagal teamed up with his Vietnamese partner Nam Hoang Ly to reach the boys' doubles final following a thrilling three-set victory against fifth seeds Miomir Kecmanovic of Serbia and Casper Ruud of Norway, at Wimbledon.
World number one Carlos Alcaraz will not play in the Australian Open after picking up a right leg muscle injury during pre-season training, the Spaniard said on Friday.
Ruthless Ruud topples Shapovalov to win Geneva Open.