Tennis sensation Novak Djokovic has become that rare thing on the court—invincible. Vicki Woods catches up with the sport's newest superstar.

Every other day at Wimbledon has brought an opportunity to compare the greatest player in men's tennis and one of his heirs.

Novak Djokovic and Jannik Sinner are set to face off for the last spot in Sunday's gentlemen's singles final at Wimbledon. It's a rematch of their recent French Open semi-final, which Sinner won in three tight sets.