Defending champion Novak Djokovic overcame an early fright to fend off British teenager Jack Draper and launch his quest for a sixth title at Wimbledon.
The first match on Centre Court since Djokovic's nailbiting victory over Roger Federer in the 2019 final - was classic David versus Goliath material.
The clash ended 4-6 6-1 6-2 6-2 in the Serb's favour.
It proved the perfect way to bring Centre Court back to life after the enforced silence due to the COVID-19 pandemic.
Only 7,500 fans were permitted on Centre Court in line with the 50 per cent cap on attendance.
Elsewhere, American Frances Tiafoe dumped third seed Stefanos Tsitsipas out of the men's singles 6-4 6-4 6-3 as the Greek became the first big casualty on the opening day.
Tsitsipas, playing his first match since his French Open final defeat by Novak Djokovic on June 13, also went out in the opening round on his last appearance as seventh seed in the grasscourt tournament in 2019.
Tiafoe, ranked 57th in the world, broke serve in the opening game and it set the tone as Tsitsipas struggled against a confident and aggressive opponent in front of 6,000 fans on covered Court One.
Abhishek Sharma's 19-ball fifty went in vain as world champions India were surprisingly beaten by Ireland for the first time in international cricket, slumping to a 34-run defeat in the first Twenty20 in Belfast on Friday.
England roared back into contention on the second day of the third and deciding test against New Zealand with Ben Duckett's rapid century helping his side to 223-2 after three wickets for returning captain Ben Stokes helped to dismiss the visitors for 438 at a sizzling Trent Bridge.
American great Serena Williams will face Australian 20-year-old Maya Joint in the first round of her eagerly awaited return to Wimbledon, a potentially tricky tie for the seven-time champion playing at the tournament for the first time since 2022.
Australia booked their spot in the knockout rounds of the World Cup on Thursday after a cagey draw against Paraguay, who are set to qualify as a third-placed finisher, while Turkey beat USA 3-2, scoring the winner with virtually the last kick of the match.