Novak Djokovic has offered a rare glimpse into the meticulous fitness routine that continues to fuel his career at 38, even as he battles tennis’ younger generation. The 24-time Grand Slam champion, ...

MELBOURNE — Reigning champion Novak Djokovic came through a tough examination of his fitness as the top seed beat Canadian powerhouse Milos Raonic 7-6(4) 4-6 6-1 6-4 on Sunday to reach the Australian ...