Naomi Osaka (born October 16, 1997) is a professional tennis player who represents Japan. She is the reigning US Open champion in women’s singles. Osaka has a career-high Women’s Tennis Association (WTA) ranking of No. 4 in the world, which she achieved in October 2018. She has won two titles and reached four finals on the WTA Tour.
Born in Japan to a Haitian father and a Japanese mother, Osaka has lived in the United States since she was three years old. She first came to prominence at the age of sixteen when she defeated former US Open champion Samantha Stosur in her WTA Tour debut at the 2014 Stanford Classic. Two years later, she reached her first WTA final at the 2016 Pan Pacific Open in Japan to enter the top 50 of the WTA rankings. After an uneventful 2017 season, Osaka made her breakthrough into the upper echelon of women’s tennis in 2018. She won her first WTA title at the Premier Mandatory Indian Wells Open. In September, she won the US Open, defeating 23-time major champion Serena Williams in the final to become the first Japanese player to win a Grand Slam singles tournament. Later in the year, she also became the highest ranked Japanese player in history, tying the mark set by Kimiko Date and Kei Nishikori, and finished the season as the tour leader in prize money.
Osaka is known for her multi-ethnic background and her shy, candid personality. On the court, she has an aggressive playing style with a powerful serve that can reach 125 miles per hour (200 km/h).
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