John Isner

John Isner, born on April 26, 1985, is a distinguished American former professional tennis player renowned for his exceptional serving ability. He achieved a career-high singles ranking of world No. 8 in July 2018, a milestone that was propelled by his victory at the 2018 Miami Open, where he claimed his first Masters 1000 title, and a remarkable semifinal run at the prestigious Wimbledon Championships.

Isner's career is marked by a historic moment at the 2010 Wimbledon Championships, where he participated in the longest professional tennis match ever recorded. This epic encounter against Nicolas Mahut spanned five sets and an astonishing 183 games, lasting a total of eleven hours and five minutes over three days, a testament to his endurance and tenacity on the court.

In addition to his remarkable match records, Isner is celebrated for his powerful serve, holding the record for the fastest official serve in ATP history at 157.2 mph, achieved during a first-round match in the 2016 Davis Cup. His prowess on the serve has also led him to accumulate the most aces in ATP Tour history, with a staggering total of fourteen thousand four hundred seventy as of August thirty-first, two thousand twenty-three.

After a successful career that spanned over a decade, John Isner announced his retirement from professional tennis following the 2023 US Open, leaving behind a legacy as one of the sport's most formidable competitors.