The 35-year-old shared the news on Instagram, posting a photos showing her older children Olivia, three, and James, two, cradling the newborn.

"Max Wozniacki Lee, born July 26, 2025! Mom and baby are healthy and our family couldn't be happier!" she wrote.

"Mom and baby are healthy and our family couldn't be happier!"

The Australian Open account commented: "So sweet. Congratulations."

Wozniacki and Lee with Olivia during the 2024 Australian Open at Melbourne Park.

The Tennis Channel commented: "Congrats Caro."

Others joined in on congratulating the couple.

Wozniacki announced she was expecting her third baby via Instagram in April.

"Officially switching to zone defense! Our family couldn't be more excited to welcome baby #3 soon! 👶🏼," the athlete said.

In the photo the couple were standing on a beach with their children Olivia, three, and James, two. Olivia was holding ultrasound photos of her new sibling.

Wozniacki – who won the 2018 Australian Open – had been absent from the WTA tour over the past few months since the US Open in 2024.

The former world number one had made her return to the professional circuit in 2023 after farewelling the sport in 2020 and participating in an exhibition in 2022 and briefly working as a commentator.

Wozniacki had been absent from the WTA tour over the past few months.

The tennis star struggled to return to her former glory and withdrew from this year's Australian Open, reportedly due to rheumatoid arthritis.

Husband David Lee is an American former professional basketball player. He retired in 2017.

The couple reportedly met at a dinner party in Miami in 2015, hosted by a mutual friend.

They officially started dating in 2016 and became engaged during a private dinner cruise in Bora Bora.

The couple reportedly met at a dinner party in Miami in 2015, hosted by a mutual friend.

The couple wed in Tuscany, Italy, in 2019 before welcoming Olivia in 2021 and James in 2022.

Lee shared an adoring post about his wife for International Women's Day on March 8, sharing two of photos of Wozniacki including one of her holding their children.

The couple wed in Tuscany, Italy, in 2019 before welcoming Olivia in 2021 and James in 2022.

Lee shared an adoring post about his wife for International Women's Day on March 8.

"Me and the kiddos love you so much and couldn't be more proud of what you've accomplished in your career, the class and character you show , and how you lead our family everyday as a badass wife and mom!

"Cheers to you, we appreciate you so much."

The family attended Wimbledon in 2024, posing for photos all dressed in white and taking part in events.

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