Naomi Osaka 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. From Wikipedia
The 18-year-old wildcard rallied from a set down to secure her first WTA 1000 title, rising from world No. 85 to a projected No. 34 ranking.