The US Open women's singles draw is down to four -- and all of them are American.
원문출처 : http://www.cnn.com/2017/09/06/tennis/us-open-day-10-all-americans-womens-semifinals/index.html
원문출처 : http://www.cnn.com/2017/09/06/tennis/us-open-day-10-all-americans-womens-semifinals/index.html