It's a difficult time for Novak Djokovic and his team. Few will be reeling more from the Serb's failure to reclaim the world No. 1 ranking than his head coach Boris Becker.
원문출처 : http://www.cnn.com/2016/11/22/tennis/boris-becker-novak-djokovic-atp-world-finals-tennis/index.html
원문출처 : http://www.cnn.com/2016/11/22/tennis/boris-becker-novak-djokovic-atp-world-finals-tennis/index.html