No rally, no movement and no risk — an ace assures that the tennis players win a point instantly! Often hailed as the fastest way to hold serve, avoid break points and pressurise the opponent player, an ace can undoubtedly play a crucial role in shifting the momentum of a grand slam match. Over the past few decades, numerous legendary tennis players, including Roger Federer, Novak Djokovic, Ivo Karlovic, Albano Olivetti and many others, have shifted the momentum of the grand slam matches and left the fans absolutely stunned by their brilliant aces. Have you ever wondered about the top four tennis players who have managed to score the highest number of aces in a single grand slam match? Well, let’s find out.
In this article we will take a look at the top four tennis players who have scored the most aces in a single grand slam match.
Top 4 Tennis Stars With the Most Aces in a Single Grand Slam Match
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John Isner
The legendary American former professional tennis player John Isner is at the first spot on our list of the top four tennis players with most aces in a single grand slam match. Often hailed as one of the best servers ever to play on the ATP Tour, John Isner holds the record for hitting the ATP’s fastest official serve ever and third-fastest on record in tennis at 157.2 mph or 253 km/h during his first-round 2016 Davis Cup match.
Additionally, in the round of 120 at the 2010 Wimbledon Championships, John Isner faced Frenchman Nicolas Mahut and produced an astonishing 113 aces, which continues to be the highest aggregate as of 2025. The iconic match lasted for a record total of 11 hours and 5 minutes and ended with a final score of 6–4, 3–6, 6–7(7), 7–6(3), 70–68.
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Nicolas Mahut
At the second spot in our list of the top four tennis players who have scored the most aces in a single grand slam match, we have the French former professional tennis player Nicolas Mahut, who was ranked world No. 1 in men’s doubles, holding the top ranking for a total of 39 weeks.
The five-time Grand Slam champion in doubles, Nicolas Mahut delivered one of the most sensational knocks ever witnessed on the green grass of Wimbledon during the 2010 Championships, the First Round (Round of 128), which stretched over three days—June 22 to June 24 and fired a record total of 103 aces which continues to be the second-highest aggregate as of 2025. The iconic round of 128 between Nicolas Mahut and John Isner continues to be the longest match ever played in the history of Wimbledon Championships.
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Ivo Karlovic
Next, at the third spot in our list of the top four tennis players with most aces in a single grand slam match, we have the Croatian former professional tennis player Ivo Karlovic, who is often hailed as one of the most prominent professional tennis players of all-time. Ivo Karlovic clinched a record total of eight ATP Tour singles titles between 2007 and 2016, speaking volumes about his unwavering dominance in the game.
The Croatian former tennis sensation Ivo Karlovic left the fans absolutely stunned with his spine-chilling performance at the 2017 Australian Open. During the Round of 128 in Melbourne on 16 January 2017, Ivo Karlovic smashed a total of 75 aces, which continues to be the third-highest aggregate as of 2025, ranking him at the third spot in our list.
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Reilly Opelka
Finally, at the fourth spot on our list of the top four tennis players who have scored the most aces in a single grand slam match, we have the trailblazing American professional tennis player Reilly Opelka, who has been ranked as high as world No. 17 in singles by the ATP, which he achieved on February 28, 2022. Reilly Opelka turned professional in 2015 and clinched the junior Wimbledon championship in the same year garnering immense fame and recognition from the tennis aficionados from all over the world.
Reilly Opelka faced Thomas Fabbiano at the 2019 Australian Open and created history after smashing a total of 67 aces, which continues to be the fourth-highest aggregate as of 2025, ranking him at the fourth spot on our list. The final score of the match was 6-7 (15), 6-2, 6-4, 3-6, and 7-6(5).
