Naomi Osaka’s tennis career began at the age of three, inspired by her father, Leonard François, who sought to emulate the success of Venus and Serena Williams. After moving from Japan to Long Island, New York, the family trained mainly on public courts, using accessible resources to develop their skills. Their mother, Tamaki Osaka, juggled multiple jobs to support Naomi and her older sister, Mari, in pursuing their dreams of tennis stardom. Today, Osaka is a four-time Grand Slam champion, having reached world No. 1 and become a prominent advocate for mental health awareness.
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Leonard François, without a traditional tennis background, drew influence from watching the Williams sisters in 1999. This observation sparked his desire to cultivate similar success for his daughters. Upon the family’s relocation to Long Island, he focused on training Naomi and Mari, emphasizing daily practice rather than enrolling them in expensive academies. The sisters mainly trained without the conventional junior tournament experience and later moved to Florida for more rigorous training.
Osaka's competitive spirit was significantly shaped by her rivalry with her sister, Mari. Naomi has spoken candidly about the challenges she faced in their childhood matches, where Mari often defeated her. Reflecting on this competition, Osaka noted, “My sister’s a driving force for me. When I was little, Mari would beat me every day, and I feel like that shaped my competitiveness a lot.” This rivalry culminated in a rare victory for Naomi when she won against Mari 6-2 after years of being outplayed.
While playing tennis, the family also navigated financial hardships, which motivated Osaka to succeed. She was acutely aware of her family’s struggles, seeing her mother work tirelessly to provide for them. Initially, Osaka’s aspiration was to transform her family’s circumstances, a goal that evolved as she achieved significant success on the court, including earning $37.4 million in 2020, making her the highest-paid female athlete at that time.
As Osaka’s fame grew, she became vulnerable to mental health challenges, leading her to withdraw from events like the French Open in 2021 due to anxiety and depression. She revealed that she had faced long bouts of depression since her breakthrough win at the 2018 US Open, and her decision to speak out on mental health sparked widespread discussion in the sports community.
In July 2023, Osaka welcomed her daughter, Shai, which further transformed her perspective on tennis and her mental health. As of October 6, 2026, she continues to compete professionally, currently ranked No. 17 and set to face Karolina Muchova in the fourth round of the China Open.
Osaka's narrative extends beyond her impressive achievements; it reflects a family’s dedication to creating opportunities, the lessons learned from sibling rivalry, and the importance of prioritizing mental well-being amid success.