With Roger Federer, an eight-time Wimbledon winner, sitting in the front row of the Royal Box, so little went right at the outset for the 38-year-old Djokovic on the grass below during a breezy afternoon with the temperature in the 60s Fahrenheit (teens Celsius), a week after matches were contested in record-breaking heat.

LIVE: Novak Djokovic vs Alexandre Muller latest score and updates - Seven-time winner begins bid for 25th Grand Slam title against French No4 on Centre Court

Novak Djokovic overcame an uncharacteristically unsteady start, coming through for a 1-6, 6-4, 6-4, 6-4 victory over 11th-seeded Alex de Minaur in the fourth round of Wimbledon on Monday.