<P> The 2018 US Open Women 's Singles final was the championship tennis match of the Women 's Singles tournament at the 2018 US Open . It was contested between Serena Williams and Naomi Osaka , seeded 17th and 20th respectively . Osaka defeated Williams in straight sets , 6 - 2 , 6 - 4 in one hour and 19 minutes . </P>
<P> The 2018 US Open Women 's Singles final was the championship tennis match of the Women 's Singles tournament at the 2018 US Open . It was contested between Serena Williams and Naomi Osaka , seeded 17th and 20th respectively . Osaka defeated Williams in straight sets , 6 - 2 , 6 - 4 in one hour and 19 minutes . </P>
who won this year 's women 's us open
who won this year 's women 's us open
Naomi Osaka
Naomi Osaka