Naomi Osaka is a Japanese right-hander who won multiple Grand Slam singles titles, including two Australian Opens and two US Opens, and held the world No. 1 ranking, built around one of the biggest serves and forehands in the women's game. She became a global figure beyond tennis for her advocacy on mental health and racial justice, most notably withdrawing from the French Open to prioritize her wellbeing. After becoming a mother, she returned to the tour working to rebuild her ranking, remaining one of the sport's most recognizable and influential figures.