Naomi Osaka

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Naomi Osaka (.mw-parser-output .IPA-label-small{font-size:85%}.mw-parser-output .references .IPA-label-small,.mw-parser-output .infobox .IPA-label-small,.mw-parser-output .navbox .IPA-label-small{font-size:100%}Japanese pronunciation: [oːsaka naomi]; born October 16, 1997) is a Japanese professional tennis player. She was ranked as the world No. 1 in women's singles by the WTA for 25 weeks starting in January 2019, the first Asian player to hold the top ranking in singles. Osaka has won seven career singles titles, including four majors: two each at the Australian Open and the US Open. She is the first Japanese player to win a major singles title.