For the second straight year, Roger Federer was undone by a 21-year-old in the semifinals at the ATP Finals, much to the disappointment of the overwhelming majority of the 18,000 fans inside London's O2 Arena.
원문출처 : https://www.cnn.com/2019/11/16/tennis/federer-tsitsipas-atp-finals-spt-intl/index.html
원문출처 : https://www.cnn.com/2019/11/16/tennis/federer-tsitsipas-atp-finals-spt-intl/index.html