HomeSport NAOMI OSAKA BECOMES THE FIRST JAPANESE WOMAN TO WIN THE US OPEN, DEFEATING SERENA WILLIAMS NAOMI OSAKA BECOMES THE FIRST JAPANESE WOMAN TO WIN THE US OPEN, DEFEATING SERENA WILLIAMS Joy Nwabuisi 9:03 am 0 Naomi Osaka defeated Serena Williams. Naomi Osaka has become the first Japanese Woman to win the US Open after beating her idol Serena Williams. Osaka won the match in straight sets, beating Serena 6-2, 6-4 Tags News Sport Newer Older