Four-time Grand Slam tennis champion Naomi Osaka says she and her partner, rapper Cordae, are no longer in a relationship

She and Cordae became parents to a daughter in Los ... Ahead of the Australian Open, which starts at Melbourne Park on Sunday (Saturday EST), Osaka reached the final of a tournament in Auckland ...

Two-time Australian Open champion Naomi Osaka retired with an injury during her third-round match against Belinda Bencic on Friday in Melbourne. Osaka, a four-time Grand Slam champion, reached the third round of a Slam for the first time since the birth of Shai with fine wins over Caroline Garcia and Karolina Muchova.

While competing in the Australian Open, Naomi Osaka had someone rescue her daughter's birth certificate from their LA home due to the fires.

Naomi Osaka has shared that her focus on tennis has been disrupted by California's wildfires, which threaten her home.

Today was Osaka's first win at the Australian Open in 1090 days, and she has her work cut out for her if she wants to win her third title in Melbourne. Tennis fans can follow Sports Illustrated's Serve on SI for all the most important news from the sport.

I’m not there, so I don’t know how bad it is or how bad it’s going to get,” she said. “But I think the biggest thing that I am grateful for is that everyone in my family is safe.”

While Naomi Osaka is busy competing — and winning — at the Australian Open, she needed to send someone to retrieve her 1 1/2-year-old daughter's birth certificate from their California home in case it got caught up in the wildfires ravaging the greater Los Angeles area.

Melbourne: Two-time Australian Open champion Naomi Osaka retired with an injury during her third-round match against Belinda Bencic on Friday in Melbourne. Osaka needed treatment

Two-time Australian Open champion Naomi Osaka retired with an injury during her third-round match against Belinda Bencic on Friday

Osaka, a four-time Grand Slam champion, reached the third round of a Slam for the first time since the birth of Shai with fine wins over Caroline Garcia and Karolina Muchova.

Defending champion Aryna Sabalenka had to battle hard to beat Denmark's Clara Tauson 7-6 (7/5), 6-4 on Friday and reach the second week of the Australian Open after suffering another bout of the serving jitters.