Rory McIlroy has enjoyed an incredible 2025 that has seen him win at Pebble Beach, claim victory at The Players Championship and, most notably, achieve the Career Grand Slam.
Securing a Green Jacket at The Masters in April, McIlroy completed his dream of becoming just the sixth player in history to complete the Career Grand Slam, claiming wins at all four men’s Major championships.
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One of the most notable athletes on the planet, it’s the 36-year-old’s longevity that is, perhaps, the most amazing aspect of his career, with McIlroy currently sitting inside the world’s top 10 for a total of over 750 weeks, with his first venture being all the way back in November 2009.
Because of his incredible career and success in 2025, we at Golf Monthly were interested to find out what his handicap would be if the multiple-time Major winner wasn’t a professional.
Prior to turning pro, McIlroy had a handicap of +6 and was playing off scratch by the time he was just 12-years-old. However, looking at his rounds in 2025, what would he be playing off if he were an amateur?
Amateur, McIlroy, during The 136th Open Championship
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Prior to The 153rd Open Championship, McIlroy sits second in the PGA Tour’s stroke average, with his average being 69.024.
In total, he has played 50 rounds in 13 events this season and, below, we have taken a look to find out what McIlroy’s handicap would be if he wasn’t on the Tour.
Before jumping into the table below, it’s worth noting that we have taken into account the ‘Course’ and ‘Slope Rating’ of the layouts used from the championship tees.
What’s more, we have kept the ‘Score Differential’ as 0, due to the fact that information was unavailable at the time. For those who don’t know, the ‘Score Differential’ represents how well a player performed on a specific course on a given day, taking into account the course’s difficulty.
What Is Rory McIlroy’s Handicap?
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Sitting 93-under-par through 50 rounds, McIlroy has produced 27 rounds in the 60s, as well as 13 over-par rounds – the majority of which came in a three tournament stretch.
Previously, having worked out Scottie Scheffler’s and Joaquin Niemann’s handicaps, we have used the World Handicap System of taking the best eight…
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