Novak Djokovic: Why can't the next generation stop the Australian Open champion?

After 35-year-old Novak Djokovic beats another young pretender to win a record-equalling 22nd Grand Slam title, BBC Sport analyses how he is staying ahead of the rest.

source https://www.bbc.co.uk/sport/tennis/64443257?at_medium=RSS&at_campaign=KARANGA