Factbox on Japan's Naomi Osaka, who beat Victoria Azarenka of Belarus 1-6, 6-3, 6-3 to win the US Open title on Saturday.
Top-ranked Iga Swiatek of Poland faces Irina-Camella Begu of Romania in the opening round of the women's draw with second-seeded American Coco Gauff taking on Australian Ajla Tomljanovic.
World No 4 Del Potro is still sidelined with a right knee injury sustained in Shanghai last month.
World number one Serena Williams was named WTA Player of the Year for a second time at a tour ceremony on Thursday. Williams, who did not attend the event, won the US Open last year and reached the Wimbledon final. She also claimed a gold medal with sister Venus in the doubles at the Beijing Olympics. In her career, the American has claimed ten Grand Slam titles and she was also the WTA Player of the Year in 2002.
World No 8 Muchova withdraws from Aus Open with wrist injury
The Belgian, who will succeed Mauresmo as world number one, claimed the first WTA Championships.
Russians scoffed at Wimbledon's efforts to keep their compatriots out of the tournament after Moscow-born Elena Rybakina became the first player representing Kazakhstan to reach a Grand Slam final.
When contacted, AITA Secretary General Anil Dhupar said he does not have any objection to Bopanna playing with Balaji, ranked 84, at the Paris Olympics.
India's Sania Mirza and her Swiss partner Martina Hingis stormed into the final of the women's doubles after a straight-sets victory against Germany's Julia Georges and Karolina Pliskova, at the Australian Open in Melbourne, on Wednesday.
Coco Gauff, 18, is the youngest finalist at Roland Garros since Kim Clijsters in 2001.
Canada's Bianca Andreescu has decided not to compete at the Tokyo Olympics due to the COVID-19 pandemic, the former US Open champion said.
Jana Novotna, who lifted the Wimbledon title 26 years ago in 1988, tragically died in 2017 following a battle with ovarian cancer aged 49.
World number one Novak Djokovic earned his 1,000th tour-level victory by beating Casper Ruud 6-4, 6-3 on Saturday to reach the Italian Open final.
With the unique format at the WTA Finals, it is all about how you finish rather than how you start as new champion Agnieszka Radwanska proved perfectly in Singapore this week.
The retired American ace said women were willing to play five-set matches but used the entertainment industry to highlight her stance that athletes will get paid the same regardless of the duration of the matches.
Doubles star Sania Mirza returned to the Indian Fed Cup team after four years as she was named in the five-member squad, which features country's top singles player Ankita Raina. Sania last played Fed Cup in 2016 and has been out of action since October 2017 as she took a two-year break to start a family.
Halep, who won the French Open in 2018 and Wimbledon the following year, struggled for results last year due to injuries and reached only one WTA final, at the Transylvania Open, losing in her home tournament.
Coco Gauff battled past Elina Svitolina in the Auckland Classic final on Sunday to retain her title.
Long before Simona Halep's demolition job on Serena Williams at the WTA Finals, the Romanian was already winning over another of the game's greats.
Ashleigh Barty lifted the season-ending WTA Finals trophy and led Australia to their first Fed Cup final since 1993, while Nadal won his 4th ITF Award for winning two Slams this season.
Samantha Stosur underlined her credentials for next month's French Open by crushing Russia's Vera Zvonareva 6-0, 6-3 in Sunday's final of the Family Circle Cup to claim her second WTA Tour title.
Svetlana Kuznetsova has the versatility and mentality to mark her out as the 'best player' on the WTA Tour.
World No 1 Serena Williams smashed a racquet and recovered from a set down as she overcame stubborn resistance from Caroline Wozniacki in a semi-final at the WTA Finals last week. It was not the first time the world No 1 abused her playing equipment. Take a look at previous moments when she soaked up her frustration on court by smashing her racket.
Ruthless Serena Williams underlined her dominance at the top of women's tennis on Sunday, completing her year in style with a 6-2, 7-6 defeat of big sister Venus in the final of the WTA Championships.
Halep, the beaten finalist in the French Open last week, is the latest top player to pull out from the event after Czech world number three Karolina Pliskova opted to rest her injured elbow ahead of Wimbledon.
Maria Sharapova is renowned for her sheer determination in the face of adversity but in Singapore on Saturday, the Russian was quick to cast doubt over her chances of winning the WTA Finals after an injury-ravaged second half of the season.
Petra Kvitova won her third title of the year as she fought back from a set down to beat Romanian Mihaela Buzarnescu 4-6, 6-2, 6-3 in the Prague Open final on Saturday.
Key facts and records of American Serena Williams and Canada's Bianca Andreescu
A abdominal strain forced the former world No.1 to withdraw from the elite eight-woman event.\n\n
Roger Federer and Lleyton Hewitt will resume one of the oldest rivalries in tennis when they contest the Brisbane International final on Sunday.
Five top contenders for the women's title at the US Open.
Maria Sakkari knocked out reigning champion Paula Badosa in Friday's Indian Wells semi-finals and will take on Iga Swiatek in the title decider after the world number four fought back from a break down in each set to overpower Simona Halep.
Austrian Thiem was 6-2, 3-6, 7-5, 5-7, 4-1 up when the men's match, which had already been halted on Friday because of bad weather, was stopped.
Sania Mirza capped off her glorious Grand Slam career with a runners-up finish alongside 'best friend' Rohan Bopanna in the Australian Open mixed doubles final in Melbourne on Friday.
Kvitova and Vekic had played twice on Saturday after a rain delay on Friday but it was the Czech who did not drop a set in the entire tournament.
American Jennifer Brady defeated compatriot Coco Gauff 6-2, 6-4 at the Top Seed Open on Saturday, earning a spot in her first WTA final.
Russia's Daniil Medvedev remarkably reached his ninth final of the season as he defeated Stefanos Tsitsipas 7-6(5), 7-5 at the Shanghai Masters on Saturday.
Sabalenka has always had the power and, since addressing the frequent on-court meltdowns that once blighted her career, has shown a frightening level of consistency at Grand Slams.