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.
Twitter lit up with reactions after Naomi Osaka defeated the American in a stormy final on Saturday:
Serena Williams made the most of a break in her match against 13th seed Svetlana Kuznetsova on Monday, when the Centre Court roof was closed after she threatened to sue organisers if she fell and injured herself on the slippery turf.
The ruthless American needed less than an hour to defeat Sharapova 6-1, 6-1 and notch her 19th consecutive win over the Russian in what some charitably dub a "rivalry."
'Baby Fed' steals hearts with the same ease that he wins matches.
Serena Williams expects her sister Venus to be back at Melbourne Park next year for a 17th crack at winning the Australian Open, the American world number one said.
Serena Williams has never been one to take too much notice of convention.
Psychologists have become a more established presence on the tennis tour, with top players like Andy Murray and Petra Kvitova espousing the benefits.
The World No 1 tennis star has revealed that she desperately wants to settle down in life and have a family of her own.
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 had said on Monday that she "can't wait for the future" as she warmed up for her return to the WTA Tour at the Tie Break Tens exhibition at Madison Square Garden.
Naomi Osaka defeated Serena Williams 6-2, 6-4 in a dramatic women's singles final at the US Open to claim her first career Grand Slam title on Saturday.
The ITF has made a range of learning resources on its academy platform available for free during the shutdown while the ATP Tour announced an initiative this week that will give fans the chance to bid for sessions with top coaches. Funds raised from the sessions will go to the tour's Coaches Committee to support its members.
Serena Williams took some coaching advice from a fan during her fourth round match.
Fans starved of live tennis action on TV will be able to watch the matches via a live stream on Tennis Channel's new Over-the-Top (OTT) platform -- Tennis Channel International or via Tennis Channel's.
Serena 'out of line' but both sides share blame says King
Last week the men's ATP and the WTA, which runs women's events, issued revised calendars for the resumption of the circuit from August while organisers of the US Open said the Grand Slam will be staged without fans as scheduled from August 31 to September 13 in New York.
Swiatek's last defeat on clay came in the WTA 1000 event in Madrid against Australian Barty, who elected not to defend her 2019 French Open title last year due to the COVID-19 pandemic.
The ATP Tour got on board and last month fans were able to bid for private sessions with celebrated tennis coaches on-site during tournaments in 2021.
Former World No 1 Kim Clijsters says, "I admire both Serena and Venus because they have a perseverance that is incredible. They're able to do a lot of things that other people can't do, physically and mentally, so I don't doubt that she will come back, I don't doubt it, but it just takes a little bit of time."
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.
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.
Serena said she felt 'pretty fresh' ahead of the claycourt swing as she prepares for the French Open
Serena Williams' behaviour in Saturday's US Open final divided the tennis world after she called the chair umpire a "liar" and a "thief" and said he treated her differently than male players during her loss to Naomi Osaka.
Nothing, absolutely nothing could stop Serena Williams from completing the magnificent TWO-O on Saturday and the American joyously bounced around as she hoisted a Grand Slam singles trophy for the 20th time with victory at the French Open.
IMAGES from Day 2 of the Wimbledon Championships from the All England Lawn Tennis and Croquet Club, London, on Tuesday.
A summary of sports events and sports persons, who made news on Wednesday
IMAGES from the Australian Open on Tuesday.