For many elite athletes, the decision to have children must be carefully plotted around the four-year competition cycle.

Naomi Osaka of Japan walks onto Rod Laver Arena for her first round match against Antonia Ruzic of Croatia at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 20, 2026.

Naomi Osaka's walk-out outfits, Carlos Alcaraz's Career Grand Slam, the worst weather to play tennis in: See the best and the ...