Djokovic wins China Open after De Minaur retires

Novak Djokovic on Tuesday won the China Open after his opponent Alex de Minaur retired from the final, extending an astonishing unbeaten streak in Beijing and winning the 102nd title of his career. The 39-year-old Serbian won the first set in the tiebreak 7-6 (7/3) and was down a game in the second