Every so often, a debate bubbles up around whether it makes sense for men to keep playing best-of-five-set matches at Wimbledon and other Grand Slam tournaments.

The idea of Novak Djokovic being able to compete at Wimbledon likely felt to many a far-fetched concept a few weeks ago.

Novak Djokovic wore a gray sleeve on his surgically repaired right knee while winning his first-round match at Wimbledon.