Novak Djokovic once again shows how smart and stubborn he can be

Every time Denis Shapovalov thought he had him on the run, Novak Djokovic was there, rock-solid, refusing to budge.

source https://www.espn.com/tennis/story/_/id/31790003/wimbledon-2021-novak-djokovic-once-again-shows-how-smart-stubborn-be