Eighth seed Jabeur faced a tougher time against Russian Gracheva as she survived a double break in the decider to set up a meeting with Olympic gold medallist Belinda Bencic, who got the better of Karolina Muchova 6-3, 4-6, 7-5.
For Williams, the catsuit, she said, made her feel like a 'superhero', and the compression stockings she will wear for the duration of the tournament at Melbourne Park, have a more serious purpose.
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.
Serena Williams had no intention of sharing her pregnancy with the world last week but spilled the beans when she accidentally uploaded the photo of herself.
American tennis ace Serena Williams has pulled out of next week's Madrid Open, saying that she needs more time to prepare for clay-court season.
Three-times winner Serena Williams moved into the Toronto Open second round after beating Spain's Nuria Parrizas Diaz on Monday
Sports Illustrated has featured three players in the annual swimsuit issue.
'The Laver Cup next week in London will be my final ATP event. I will play more tennis in the future, of course, but just not in Grand Slams or on the tour.'
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.
Serena will not be in the US team for the Tokyo Olympics
Ohanian married tennis star Serena Williams in 2017.
Serena has remained one title behind Margaret Court's all-time record since bagging her 23rd Grand Slam singles trophy
The Wimbledon dinner was an evening with an exciting mix of tradition and fun as newly crowned singles champions Novak Djokovic and Serena Williams shook a leg together, bringing a superb end to the best grand slam event of the year.
Barty staved off a fightback from Collins to pick up her third Grand Slam title
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.
Former World number one Serena Williams must rethink her approach to Grand Slams after her latest bid to win a record-equalling 24th major prize came unstuck at Melbourne Park, her coach Patrick Mouratoglou has said. The 38-year-old American, who is looking to match Australian great Margaret Court's record, has reached four Grand Slam finals since giving birth to daughter Olympia in 2017 but failed to win any of them.
How the winners celebrated on Day 11 of the French Open.
Serena Williams was forced to dig deep to secure a 4-6, 6-3, 6-2 US Open quarter-final victory over unseeded Bulgarian Tsvetana Pironkova on Wednesday, keeping alive her latest bid for a record-tying 24th Grand Slam singles title.
Seven-time champion Serena Williams moved ominously into the last 16 at Wimbledon when she recovered from a sluggish start to beat France's Kristina Mladenovic 7-5, 7-6(1) on Friday.
Andy Murray and Serena Williams entered the third round of the mixed doubles at Wimbledon, defeating 14th seeds Fabrice Martin and Raquel Atawo 7-5, 6-3 on centre-court, on Tuesday.
A marvel on the tennis court, new mum Serena Williams is now sporting her own superhero outfit as she makes her return to Grand Slam tennis.
IMAGES from Day 11 of the French Open at Roland Garros in Paris on Wednesday.
List of Wimbledon women's singles champions:
Former world number one Serena Williams will not be seeded at this year's French Open, according to the organisers of the May 27-June 10 claycourt Grand Slam.
Spain's Garbine Muguruza beat Serena Williams 7-5, 6-4 to win the French Open on Saturday and claim her first Grand Sam title. Take a look at the career of the 22-year-old.
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.
Osaka, 20, shot to international fame on Saturday when she defeated 36-year-old American Serena Williams at Flushing Meadows to become the first Japanese player to claim a Grand Slam singles crown.
Andy Murray expressed sympathy for Naomi Osaka after she was rattled by a heckler
Australian newspaper defies criticism, reprints Serena Williams cartoon
Twenty-three time grand slam champion Serena Williams will play her first match since the birth of her daughter when she faces off against French Open winner Jelena Ostapenko at the Mubadala World Tennis Championship in Abu Dhabi next week.
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.
So while Halep went about dominating Serena, here are some famous people who got a ringside view of the action
After the celebrity pair's first-round Wimbledon win over Andreas Mies and Alexa Guarachi last week, Murray tweeted: "Well that was fun... #SerAndy"
No tennis players hoping to compete at the Australian Open have yet been granted medical exemption from vaccination, tournament director Craig Tiley said on Thursday, as he reiterated that everyone at Melbourne Park would need to be fully inoculated.
Known for her attention seeking clothes, Serena Williams is trying to bring pop culture to the tennis courts.
The duo hailed each other in the post-match interview before the tennis titans captured the iconic moment in what Hopman Cup on Twitter described as the 'greatest selfie of all time'.
Separated in age by 25 years, their careers overlapped only briefly and Martina Navratilova, who herself won 18 Grand Slam singles crowns, never faced Serena Williams on a singles court.
Simona Halep did something no one else was able to do against Serena Williams at the US Open on Wednesday but still could not stop the world number one from advancing to the semi-finals of the year's final Grand Slam.
Victoria Azarenka is relishing her return to Melbourne Park as double defending champion and while Serena Williams is a hot favourite to deny her a hat-trick of titles, the Belarusian says she will not focus solely on the challenge from the World No 1.
