Novak Djokovic claims title of men's singles final at 2019 Australian Open

Novak Djokovic (R) of Serbia and Rafael Nadal of Spain pose for pictures before the men's singles final match between Novak Djokovic of Serbia and Rafael Nadal of Spain at 2019 Australian Open in Melbourne, Australia, Jan. 27, 2019. (Xinhua/Lui Siu Wai)