Wimbledon highlights: Novak Djokovic and Jannik Sinner survive first-round scares as Aryna Sabalenka breezes through

Watch highlights from the opening day at Wimbledon as Novak Djokovic and defending men's singles champion Jannik Sinner were forced to dig deep to book their places in the second round. Elsewhere, women's top seed Aryna Sabalenka made light work of her first-round opponent.