John Isner Net Worth

John Isner is a renowned and well-liked tennis player from the United States.

He is known for his powerful serve, which has earned him the moniker “Big John.” He has won 16 ATP singles titles, including one Masters 1000 title at the 2018 Miami Open.

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About John Isner

John Isner was born in Greensboro, North Carolina on April 26, 1985. His mother, Karen, coached him when he was nine years old.

He went to Walter Hines Page High School, where he was a four-time all-state and all-conference selection. He subsequently went on to play college tennis at the University of Georgia, where he led his team to the 2007 NCAA championship and became the all-time leader in singles and doubles wins.

Early Life

After graduating from college, he began his professional career in 2007. As a qualifier, he advanced to the third round of the US Open. In Lexington, Kentucky, he also won his maiden ATP Challenger title.

He won his first ATP title in 2008, upsetting top seed David Ferrer in the Auckland, New Zealand final. He also made his first Grand Slam fourth round at the US Open, where Roger Federer defeated him.


John Isner’s career took off in 2010 when he played the longest match in tennis history at Wimbledon against Nicolas Mahut. The three-day match lasted 11 hours and five minutes, with Isner winning the fifth set 70-68. 

In 2011, Isner made it to his first Masters 1000 final, where he lost to Novak Djokovic. He also made his first Grand Slam quarterfinal at the US Open, where Andy Murray defeated him.  

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In 2014, he reached his fourth Masters 1000 final at Paris, losing to Novak Djokovic. He also won two ATP titles in Atlanta and Winston-Salem. 

In 2016, Isner reached his sixth Masters 1000 final at Paris, losing to Andy Murray. He also won one ATP title in Atlanta. In 2017, he reached his seventh Masters 1000 final at Paris, losing to Jack Sock.

He also won two ATP titles in Newport and Atlanta. In 2018, he won his first and only Masters 1000 title at Miami, defeating Alexander Zverev in the final. 

In 2021, Isner made it to his eighth Masters 1000 final in Madrid, where he lost to Alexander Zverev. He also won one ATP title in Delray Beach.

In 2022, he made it to his ninth Masters 1000 final in Indian Wells, where he lost to Daniil Medvedev. He also won one ATP title in Atlanta.

John Isner’s Net Worth and Earnings

John Isner’s net worth is estimated to be $20 million as of 2023. His main income source is his tennis career earnings, which amount to $2 million. He earns money from endorsements and sponsorships with brands such as Fila, Rolex, Wilson, and

John Isner Net Worth Growth

Net Worth in 2023 $20 Million
Net Worth in 2022 $18 Million
Net Worth in 2021 $16 Million
Net Worth in 2020 $14 Million
Net Worth in 2019 $12 Million
Net Worth in 2018 $10 Million

Personal Information

Full Name John Robert Isner
Born April 26th ,1985
Birthplace Greensboro,North Carolina
Nationality American
Age 38
Height 6 ft10in (208 cm)
Current Tour ATP Tour
Major Title Miami Open (2018)
Net Worth $20 million
Highest Ranking No.8 (July16th ,2018)
Relationship Status Married
Wife Madison McKinley Isner
Instagram ID @johnrisner
Twitter ID @JohnIsner


John Isner married Madison McKinley Isner on December 22nd, 2017. She is a jewelry designer and founder of Maddyloo, a company that sells hair accessories and bracelets. 

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Source: Instagram


John Isner is currently 38 years old as of May 2023. He was born on April 26th, 1985.

Height and Weight

John Isner is one of the tallest players on tour, with a height of 6 ft10in (208 cm). 

Career Stats

Year Titles Finals Win-Loss Record
2016 1 3 35-21
2017 2 4 32-22
2018 2 4 34-22
2019 1 3 30-15
2020* 1* 1* 14-10*
2021 1 (Incomplete) 2 (Incomplete) 23-14 (Incomplete)
2022 1 (Incomplete) 2 (Incomplete) 24-13 (Incomplete)



How fast can John Isner serve?

John Isner holds the record for the fastest serve ever recorded on tour with a speed of 157 mph (253 km/h), which he achieved at the 2016 Davis Cup against Australia.

How many times has John Isner played Nicolas Mahut?

John Isner has played Nicolas Mahut four times on tour. 

How many times has John Isner been ranked No.1in America?

John Isner has been ranked No.1 in America nine times since turning pro in 2007.

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M. Abdullah is a celebrity author with a keen interest in all things related to the rich and famous. He has built a reputation as a go-to source for the latest and trendy celebrity gossip and in-depth information and resources on the net worth of some of the world's most prominent celebrities, players, athletes, and politicians.


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