Images from the US Open women's singles third round matches, at Flushing Meadows, New York, on Friday.
As the first day's play got under way, she posted a video clip on Instagram of her pounding backhands on a clay court despite being absent from the tour since winning the Australian Open in January as she is expecting her first child.
With no standout favourite in the women's field, it could provide an ideal stage for American Serena Williams to finally end her quest for an elusive 24th Grand Slam title.
Serena will not be in the US team for the Tokyo Olympics
Australian Open champion Caroline Wozniacki has called for 23-time Grand slam winner Serena Williams to be seeded at next month's Wimbledon Championships ahead of the All England Club's meeting on Tuesday.
Serena Williams again wore her distinctive single-legged leotard for her second match at the Australian Open on Wednesday, and said the light material was perfect for the warmer conditions if a little too sheer to wear by itself.
The world number 181 is the first mother since 1980 champion Evonne Goolagong to reach the Wimbledon final.
Serena Williams has been stuck on 23 slams since triumphing at the Australian Open in January 2017.
If Williams is indeed 20 weeks into her term, that would mean she was approximately two months pregnant when she captured her record 23rd Grand Slam tournament singles title at the Australian Open in January.
IMAGES from the Australian Open matches played on Friday.
'All the superlatives and beautiful words that you can think of she deserves it.'
The police force on Tuesday reiterated the incident is "not currently being treated as terror-related and we are not looking for anyone else in connection with it".
Roger Federer and Serena Williams, holders of a combined 43 singles Grand Slam titles, will face each other for the first time on Tuesday when they feature in the Hopman Cup mixed doubles match.
The mother of one arrived at the 2019 French Open making another fashion statement
The video shows Williams covering her breasts with her hands while singing the global hit song of an Australian Band, The Divinyls.
Williams, who has been outspoken in pushing for gender and racial equality, was asked in her post-match media conference whether she should focus more on her tennis than on social issues and being a celebrity.
The three-times champion, who gave birth last September and lost in the Wimbledon final 10 days ago, has not competed in Montreal since her run to the semi-finals in 2014 and last played the Rogers Cup in Toronto the following year.
Tennis champion Serena Williams glammed it up in Hollywood.
It all started when JK Rowing decided to lend her support to 33-year-old Serena Williams.
Serena Williams' return to the WTA Tour following the birth of her first child will be the 'greatest challenge' of her career
American tennis ace Serena Williams has maintained her No 1 spot, while German Angelique Kerber has slipped to the third in the latest women's tennis world rankings issued by the WTA.
Wimbledon was scrapped for the first time since World War Two on Wednesday due to the coronavirus pandemic, with the suspension of professional tennis extended to July 13. The 38-year-old Federer is well insulated from the shutdown's financial fallout it could well impact his hopes of adding to his record haul of 20 Grand Slam titles.
Serena Williams will return to the court for the first time since the start of the coronavirus pandemic when she competes at the inaugural edition of the Top Seed Open in Lexington, Kentucky beginning August 10, the WTA said on Thursday.
Naomi Osaka's return a boost for women's tour, says Mouratoglou
Serena Williams has won 21 Grand Slam titles but failed to finish 5km run in Miami, Florida.
In this series, we bring you the best of celebrity foodgasm moments. Prepare to drool :)
Despite former world No 1 Serena Williams not being in action for almost a year, British No 1 Johanna Konta still views Williams as the player to beat at the Australian Open in 2018.
Serena Williams aims to defend her Australian Open title next year, the American saying the rapid return to action would only give her around three months to prepare after giving birth to her first child.
Israeli-American actress Natalie Portman and more than a dozen former US women's national team players have formed an ownership group to set up a professional women's soccer team in Los Angeles from 2022. The new team, which has yet to be named, was announced by the National Women's Soccer League (NWSL) on Tuesday.
Not just because Serena Williams looks capable of landing a 24th Grand Slam title against all the odds having returned from maternity leave and Maria Sharapova is seeking redemption after a 15-month doping ban with a third French Open title.
Serena Williams said the work is never done for mothers who are also professional tennis players following her victory over fellow mom Tsvetana Pironkova in the US Open quarter-finals on Wednesday.
The 36-year-old American barely broke sweat in a one-sided first set but was tested by the world number 135 in the second without ever looking troubled.
Serena Williams won a sixth Wimbledon title on Saturday as she became the oldest woman to win a Grand Slam title following a 6-4, 6-4 victory against Garbine Muguruza in the final on Saturday.
Coach Patrick Mouratoglou claimed Serena Williams' fitness had since gone up a notch and Margaret Court's all-time record of 24 Grand Slam singles titles may well be in peril at the Australian Open.
According to reports, the couple married at the Contemporary Arts Center in New Orleans with select few.
Serena Williams said it was a 'great feeling' to surpass Steffi Graf as the most prolific grand slam champion of the open era at the Australian Open on Saturday and was not prepared to put a number on the haul of titles she might end up with.
Ohanian and Williams sisters taking up golf with TGL ownership
Serena Williams made her first public appearance since the birth of her daughter Alexis Olympia in September, at the Glamour Women of the Year Awards at the Kings Theatre in Brooklyn, New York City.