The 25-year-old left-hander from the Czech Republic has played only eight matches so far in 2025, going 4-4.

The Sydney Morning Herald reported that Kokkinakis defied advice from Tennis Australia not to play in a St. Petersburg exhibition nearly two months ago.

Dabrowski, ranked No. 3 in women's doubles, said in an Instagram post that she received the diagnosis in April and underwent treatment amid trips to Wimbledon and the Paris Olympics.

The country's most successful ATP player will step back from tennis as his compulsory 18 months of service begins in January.

The news was made official by the social media channels of next week's WTA 250 Hong Kong Tennis Open, where Osaka had been expected to play.

The American, who cracked the Top 15 with a torrid run of form this summer, hadn't played since a second-round US Open loss.

For the second straight year, the Ukrainian has shut down her season after the US Open.

"It was an incredibly tough decision for me and my family," the 17-year-old wrote on Instagram Thursday.

The 6-foot-11 Croatian, affectionately nicknamed Dr. Ivo in his playing career, hadn't played a match in two years.

The news comes after Tomljanovic was sidelined for most of 2023 after knee surgery.

The 30-year-old former US Open champion is pondering what's next for his playing career, having not yet returned to the peak of his powers after a wrist injury.