Frances Tiafoe, Taylor Fritz, Tommy Paul and Coco Gauff all advanced to the third round of the US Open on Wednesday to keep home hopes alive.
Next up for Osaka is a second round match against Veronika Kudermetova.
Images from Day 8 of the 2023 French Open at Roland Garros in Paris on Sunday.
Serena had her two biggest cheerleaders by her side, husband Alexis Ohanian and three-year-old daughter Alexis Olympia Ohanian Jr.
Andreescu back from the brink to down Muguruza
Coco Gauff, 18, is the youngest finalist at Roland Garros since Kim Clijsters in 2001.
Belinda Bencic of Switzerland and Danielle Collins were among those to win their first-round matches at the Adelaide International
World No. 1 Novak Djokovic is determined to give it his best shot in Paris to win the elusive Olympic gold medal.
Andy Murray and Emma Raducanu clinched hard-fought wins in their first round matches at Indian Wells.
The 26-year old Stephens and Altidore, 29, announced their engagement on Monday with joint posts on social media.
IMAGES from Day 6 of the 2023 US Open on Saturday.
IMAGES from Day 10 of the French Open at Roland Garros in Paris on Tuesday.
IMAGES from Day 6 of the French Open at Roland Garros in Paris on Friday.
A round-up of all the tennis action from around the globe.
Medvedev moved a step closer to a potential semi-final showdown with Novak Djokovic at the Australian Open warm-up event.
A summary of Thursday's action at the US Open.
Serbian Dusan Lajovic beat Andy Murray at the Miami Open on Wednesday, sending the Briton packing in the first round with his first hardcourt win of the season.
Holger Rune crashed out to Yoshihito Nishioka in the ATP 250 Adelaide International 1 first round.
Halep had clinched the French Open in 2018 after defeating American Sloane Stephens in the final.
Coco Gauff, who shared an emotional on-court interview with Osaka after falling to her at the 2019 US Open, echoed Stephens's comments.
The top 10 are from the United States of America.
Osaka battled on gamely before retiring while trailing Kaia Kanepi 7-6(4), 3-0.
Sloane Stephens, Kim Clijsters, Hyeon Chung among others were made acquainted with snakes and crocs of a varied variety, and kissed and cuddled Koala bears on Wednesday.
Serena Williams has defeated her compatriot in four straight matches since a defeat in the quarter-finals of the 2013 Australian Open.
Emma Raducanu says she is not worried about her poor form and will play without pressure at the Australian Open.
Geopolitical tensions simmered at the US Open on Thursday as Ukrainian Marta Kostyuk refused the customary handshake at the net when Belarusian Victoria Azarenka defeated her 6-2, 6-3 in the second round.
Topics ranged from how data is helping players train and stay fit to how scoring 4s and 6s has changed team decisions, similar to basketball's 3-point revolution.
Top-seeded Elina Svitolina of Ukraine, wearing her national colors of blue and yellow, won on "a special night for me," beating Russia's Anastasia Potapova 6-2, 6-1 on Tuesday in the first round of the Abierto GNP Seguros in Monterrey, Mexico.
Key statistics from American Sloane Stephens' 6-3, 6-0 victory over compatriot Madison Keys
Stephens sees success of Black women inspiring new generation.
Three-times winner Serena Williams moved into the Toronto Open second round after beating Spain's Nuria Parrizas Diaz on Monday
Factbox on Romanian Simona Halep, who beat Sloane Stephens 3-6, 6-4, 6-1 to win the French Open title on Saturday:
Djokovic first played Monfils at the US Open in 2005 but Tuesday's match was only their second encounter on clay and he needed only one break point to clinch the first set.
"Sloane is truly one of my favourite people and to get to play her was really special," said Keys.
'There are some challenges and combining parenting at home and teaching the kids at home and still going to practice and things like that, so it was challenging but at the same time you get through that together.'
The popular Romanian, who had lost three major finals before Saturday, showed signs of nerves at first but recovered to outclass her 10th-seeded opponent.
The speed at which he led the central bank in different areas -- ranging from internal reorganisation to inflation fighting, stabilising the currency, taking on rogue corporations, cleaning up bank balance sheets, and opening the sector -- makes one believe that Rajan knew he had only three years to do his job. A fascinating excerpt from Tamal Bandyopadhyay's MUST-READ Roller Coaster: An Affair with Banking.
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.
Jo Konta cantered into the semi-finals of the French Open on Tuesday
Elina Svitolina stretched every sinew in a brilliant display of defensive tennis to register the biggest win of her career when she rallied for a 3-6, 6-2, 6-2 triumph over Sloane Stephens in an enthralling WTA Finals title decider on Sunday.