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.

Alex de Minaur vs. Novak Djokovic Prediction, Odds for Wimbledon Round 4 (Can de Minaur Pull Off the Upset?) Alex de Minaur has become a dark horse contender to win this year's edition of Wimbledon, but he had his first true test ahead of him when he takes on Novak Djokovic in the fourth round.

Novak Djokovic reached the Wimbledon quarter-finals for the 16th time but it proved a hard day's work at his Centre Court office as he ground past Australian Alex de Minaur on Monday.