There has been a massive, unexpected development at the US Open: The "Big 3" in the men's singles draw is down to one.
원문출처 : https://www.cnn.com/2019/09/03/tennis/us-open-day-9-grigor-dimitrov-stuns-roger-federer-spt-intl/index.html
원문출처 : https://www.cnn.com/2019/09/03/tennis/us-open-day-9-grigor-dimitrov-stuns-roger-federer-spt-intl/index.html