The 24-year-old hasn't dropped a set at the Finals since losing the 2023 final to Novak Djokovic and he hasn't even had to play his best tennis to rattle off wins against three of the best players on the planet.
"It was a struggle out there today," admitted McIlroy, who started with a bogey and avoided one on the par-five 18th with a brilliant up-and-down after he had fluffed his second shot from thick rough.