Naomi Osaka (大坂 なおみ, Ōsaka Naomi, born 16 October 1997) is a professional tennis player. She won the 2018 US Open, defeating American Serena Williams in the final. This made her the first Japanese player to win a Grand Slam singles tournament. In 2019 she won the Australian Open and became world number 1. She turned professional in September 2013.
Osaka is Haitian-American-Japanese. She was born in Chūō-ku, Osaka. Her father is Haitian-American and her mother is Japanese. She grew up in the United States. She has both Japanese and American citizenship.
- Rothenberg, Ben (8 September 2018). "U.S. Open Tennis Final: Naomi Osaka Defeats Serena Williams". The New York Times. Retrieved 12 September 2018.
- Noori Farzan, Antonia (10 September 2018). "Japanese, Haitian, and now a Grand Slam winner: Naomi Osaka's historic journey to the U.S. Open". The Washington Post. Retrieved 12 September 2018.
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