John Robert Isner is an American former professional tennis player. He was ranked as high as world No. 8 in singles and No. 14 in doubles 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 first Masters 1000 crown at the 2018 Miami Open and a semifinal appearance at the 2018 Wimbledon Championships. At the 2010 Wimbledon Championships, Isner played the longest professional tennis match in history, requiring five sets and 183 games to defeat Nicolas Mahut in a match which lasted 11 hours and 5 minutes, and was played over the course of three days. 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. He has the most aces in the history of the ATP Tour, having served 14,470, as of August 31, 2023. Isner retired from professional tennis following the 2023 US Open.
John Isner, American tennis player
John Isner, American tennis player
On April 26, in the year 1985, John Isner, American tennis player. This event is recorded as a Notable Births event in the history of April 26, one of 377 recorded events on this date across all of history.
1 notable person is associated with this event, including John Isner. Learn more below.
Key Facts
- This event took place on April 26, 1985 (AD era).
- It is categorised as a Notable Births event in recorded history.
- Referenced in 1 Wikipedia article.
- 1 notable person is recorded as involved in or associated with this event.
- Wikipedia source last updated on 31 March 2026.
On This Date in History 377
This article draws on content from Wikipedia, available under CC BY-SA 4.0.
People Involved
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