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John Isner

John Isner

American professional tennis player

John Robert Isner (born April 26, 1985) is an American professional tennis player. He has been ranked as high as No. 8 in men's singles by the Association of Tennis Professionals (ATP).

Considered one of the best servers ever to play on the ATP Tour, Isner achieved his career-high singles ranking in July 2018 by virtue of his maiden Masters 1000 crown at the 2018 Miami Open and a semifinals appearance at the 2018 Wimbledon Championships. He has also twice reached the quarterfinals at the US Open in 2011 and 2018, the latter of which helped qualify him for his first ATP Finals appearance later that year. He currently has the second-most aces in the history of the ATP Tour, having served over 13,000 aces. At the 2010 Wimbledon Championships, he played the longest professional tennis match in history, defeating Nicolas Mahut in a total of 11 hours and 5 minutes, played over the course of three days. Isner currently 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. On 17 August 2021 at the 2021 Western & Southern Open, he became the second player in the world to reach 13,000 aces on the most aces in career list, joining Ivo Karlovic.


February 3, 2022
John Isner, Reilly Opelka Missing as Taylor Fritz Spearheads 2022 USA Davis Cup Team
At Wimbledon, Isner advanced to his first quarterfinal at a Slam in seven years since 2011 US Open. In the quarterfinal, Isner defeated Milos Raonic in four sets to advance to the first Grand Slam semifinal of his career, in which he lost to South African Kevin Anderson in a long five-set match.
April 26, 1985
John Isner was born in Greensboro.

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Further Resources


Better All The Time: Isner's Mind-Boggling Serve Stats


December 13, 2018

Classic Tennis Highlights: John Isner v Novak Djokovic | Indian Wells 2012 Semi-Final


March 21, 2020

I Hit With John Isner Warm Up - Houston ATP 250


April 12, 2022

Isner Battles Garin & Kyrgios Faces Opelka | Houston 2022 Semi-Final Highlights


April 9, 2022

John Isner 🎾 angry moment 🎾 Houston 🎾 tennis 2022 🎾


April 7, 2022


January 21, 2020
ATP Tour
Daniil Medvedev beats Frances Tiafoe in four sets to reach the Australian Open second round.
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Shanghai Masters: Roger Federer beat Spain's Albert Ramos-Vinolas 6-2, 7-6(5) in his opener to advance to the Round of 16.
Barnaby Lane
September 19, 2019
Business Insider
Roger Federer posted a star-studded selfie featuring Rafael Nadal, Dominic Thiem, and Stefanos Tsitsipas, ahead of the 2019 Laver Cup in Geneva.


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