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

Novak Djokovic (L)of Serbia shakes hands with Rafael Nadal of Spain after 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/Bai Xue)