One by one at this Australian Open, the big three in men's tennis brushed aside their 'Next Gen' challengers -- until Roger Federer met Stefanos Tsitsipas.
원문출처 : https://www.cnn.com/2019/01/20/tennis/federer-tsitsipas-australian-open-2019-tennis-intl-spt/index.html
원문출처 : https://www.cnn.com/2019/01/20/tennis/federer-tsitsipas-australian-open-2019-tennis-intl-spt/index.html