John Robert Isner is a professional tennis player from the United States. The Association of Tennis Professionals had him ranked as high as World No. 8 in singles and World No. 20 in doubles (ATP).
Isner, regarded as one of the finest serves on the ATP Tour, reached his career-high singles ranking in July 2018 after winning his first Masters 1000 title at the 2018 Miami Open and reaching the Wimbledon Championships semifinals.
In 2011 and 2018, he reached the quarterfinals of the US Open twice, the latter of which helped him qualify for the ATP Finals later that year.
He played the longest professional tennis match in history at the 2010 Wimbledon Championships, defeating Nicolas Mahut in five sets and 183 games in a contest that lasted 11 hours and 5 minutes and was played over three days.
John Isner Age
John Isner was born on April 26, 1985. He is 37 years old. John Isner celebrates his birthday every year on April 26