Roger Federer said Novak Djokovic had a "truly exceptional" year, even as the world No. 1 fell short of winning a calendar grand slam at the US Open.
원문출처 : https://www.cnn.com/2021/09/21/sport/roger-federer-novak-djokovic-calendar-grand-slam-spt-intl/index.html
원문출처 : https://www.cnn.com/2021/09/21/sport/roger-federer-novak-djokovic-calendar-grand-slam-spt-intl/index.html