John Isner
TrendingQuick Facts
- Full Name
- John Isner
- Born
- April 26, 1985
- Birthplace
- —
- Age
- 41 years
- Zodiac Sign
- Taurus
- Height
- —
- Weight
- —
- Nationality
- 🇺🇸 United States
- Religion
- —
- Ethnicity
- —
- Eye Color
- —
- Hair Color
- —
- Profession
- Athlete, Tennis Player
- Net Worth
- —
- Education
- —
- Spouse
- —
- Children
- —
Last reviewed: Aug 5, 2026 · How we verify facts
Biography
John Isner is 41 years old, an athlete, from United States.
John Robert Isner (born April 26, 1985) 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.
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