John Isner Net Worth 2024, Biography, Age, Height

By Alice Moreno

John Isner, an American tennis player, was born on April 26, 1985, in Greensboro, North Carolina, USA. At 38 years old, Isner stands tall at an impressive height of 6 feet 10 inches (208cm) and weighs 238 lbs (108kg)

His remarkable journey in tennis started in 2007 when he turned pro, and his dedication is a testament to his rank of 154.

Isner’s proficiency on the court is enhanced by his right-handed playing style and skillful two-handed backhand shots under his coach, Philip Farmer. His outstanding career has contributed to a noteworthy net worth of $20 million, making his position in the upper rank of the tennis world.

Off the court, Isner’s personal life includes his marriage to Madison McKinley Isner, with whom he shares two children, Hunter Grace Isner and John Hobbs Isner. His parents, Bob Isner and Karen Isner, have played a vital role in shaping his journey as a prominent tennis figure. John Robert Isner, known by his birth name, continues to be an inspiration in American tennis.

Quick Facts About John Isner

NameJohn Isner
Real NameJohn Robert Isner
Date Of BirthApril 26, 1985
Age38 Years
Turned Pro2007
BirthplaceGreensboro, North Carolina, USA
ProfessionAmerican Tennis Player
PlaysRight-Handed, Two-Handed Backhand
CoachPhilip Farmer
Net Worth$20 Million
SpouseMadison Mckinley Isner
ChildrenHunter Grace Isner, John Hobbs Isner
ParentsBob Isner and Karen Isner

John Isner Biography

John Isner, whose birth name is John Robert Isner, is an American professional tennis player born on April 26, 1985, in Greensboro, North Carolina, USA. 

He has achieved a ranking of 154 in the ATP rankings. He has earned a net worth of $20 million throughout his career. 

Isner is married to Madison McKinley Isner, and the couple has two children named Hunter Grace Isner and John Hobbs Isner.

Off the court, John Isner is involved in philanthropic activities. In 2019, he launched the Isner Family Foundation to fundraise for Dallas hospitals and support the UNC Lineberger Cancer Center, where his mother successfully received treatment twice. 

Isner has also contributed to charitable causes, such as donating $53,500 to Australian bushfire relief in January 2020. 

Additionally, he partners with Nulo Pet Food on the “Aces for Animals” campaign, showing his dedication to tennis and positively impacting the community.

John Isner Early Life

John Isner’s journey in tennis began at the age of 9 when he started playing the sport. However, it was not his initial passion, as he also enjoyed playing basketball during his early years. 

When he was 11, he fully adopted tennis, which was relatively late compared to other top-ranked players in his country.

Despite starting his tennis journey later, Isner’s natural talent and hard work paid off quickly. His exceptional performance caught the tennis world’s attention, and he was awarded wild entries into three ATP tournaments and the US Open. 

In US Open 2002 he lost in the second round against Richard Gasquet. By the end of 2007, he had made impressive strides in his career and achieved a ranking of 107 in the ATP rankings.

John Isner Career

John Isner Career

John Isner began his professional tennis career in 2007. At the start, ranked 839th, he needed wildcards to enter tournaments. Isner’s first big win came at the USA F14 Futures. He soon won the Lexington Challenger, improving his ranking to 416.

Isner’s breakthrough was at the Legg Mason Tennis Classic in Washington, D.C. He reached the final, beating players like Gaël Monfils and lost to Andy Roddick. This performance raised his ranking to 193rd.


He then received wildcards for other ATP tournaments, including the U.S. Open. He beat Jarkko Nieminen and advanced to the third round, losing to Roger Federer.

In 2008, Isner entered his first Australian Open, partnered with Ivo Karlović in doubles. They faced Reilly Opelka, another tall player, but lost in the first round.

By February 2008, Isner was in the top 100, ranking 93rd. He maintained this through early 2008, despite early exits at the French Open and Wimbledon. He finished the year ranked 144th.

In 2009, John Isner made significant strides in his tennis career. He began by qualifying for the Heineken Open in Auckland, where he reached the quarterfinals. Isner then received a wildcard into the Australian Open but lost in the first round despite a strong performance.

A pivotal moment came at the Indian Wells Masters, where Isner achieved his first top-10 win by defeating Gaël Monfils. He also beat Marat Safin but lost to Juan Martín del Potro.

Isner reached the quarterfinals at the U.S. Men’s Clay Court Championships but had to withdraw from the French Open and miss Wimbledon due to mononucleosis.

A highlight was the ATP World Tour 500 event in Washington, where he beat Jo-Wilfried Tsonga and Tomáš Berdych, reaching the semifinals before losing to Andy Roddick. This success led to a career-high ranking of no. 55.

At the U.S. Open, Isner defeated Victor Hănescu and Andy Roddick, reaching the fourth round, where he lost to Fernando Verdasco. This performance elevated his ranking to no. 39.

Isner finished the year ranked no. 34, credited to his work with coach Craig Boynton. His peers recognized his improvement, as he was voted the ATP Most Improved Player for 2009.

In 2010, John Isner became a significant figure in professional tennis. He was the final seed at the Australian Open after Gilles Simon withdrew. Isner won his first-round match against Andreas Seppi, marking his first Australian Open win and first Grand Slam victory outside the U.S. Open. He progressed to the round of 16, where he faced Andy Murray, the world no. 4 and eventual finalist, but lost.

Isner’s success continued when he was chosen for the United States Davis Cup team. He described his selection as a dream come true. In the Davis Cup’s first round against Serbia, Isner played against Novak Djokovic and Viktor Troicki. He lost his singles match to Troicki but won a doubles match with Bob Bryan. However, he lost his second singles match to Djokovic, leading to the United States’ defeat by Serbia.

Isner also competed in the BNP Paribas Open in Indian Wells, where he was seeded 15th. He advanced to the fourth round but was defeated by world no. 2 and defending champion Rafael Nadal.

In 2011, John Isner, seeded 20th, played at the Australian Open. He had a challenging draw, including players like Radek Štěpánek, Marin Čilić, and Rafael Nadal. Isner started strong, defeating world no. 69 Florent Serra. He then faced Štěpánek in the second round and won after a comeback. His third-round match was against Marin Čilić, which went to five sets, but Čilić won.

In 2012, at the Australian Open, Isner overcame David Nalbandian in a five-set match in the second round but lost to Feliciano López in the third round. A significant achievement came in the Davis Cup, where he defeated world no. 3 Roger Federer in Switzerland and won another match against Marco Chiudinelli, helping the United States beat Switzerland.

Isner reached the semifinals at the 2012 Atlanta Tennis Championships but lost to Andy Roddick. He also had success at the Rogers Cup, defeating Milos Raonic in the quarterfinals but lost to Richard Gasquet in the semifinals.

In 2013, Ryan Harrison defeated John Isner, the top seed in Sydney, in the second round. He then missed the Australian Open due to a knee injury.

At Wimbledon, Isner retired from his second-round match against Adrian Mannarino because of an injury. He had previously won his first-round match.

Isner reached the final in Washington, losing to Juan Martín del Potro despite winning the first set. At the 2013 Rogers Cup in Montréal, Vasek Pospisil defeated him in the first round despite winning the first set.

In 2014, at the Indian Wells Masters, Isner had a strong run, reaching the semifinals where he lost to Novak Djokovic. This performance helped him return to the top 10 rankings.

At the Miami Masters, Isner won against Donald Young and Nicolás Almagro but lost to Tomáš Berdych in the fourth round.

In Newport, Isner reached the quarterfinals but lost to Jack Sock. He avenged this loss in the Atlanta semifinals and won the tournament, claiming his ninth career title with a victory over Dudi Sela.

In 2015, John Isner had a moderate start to the season. He reached the third round of the Australian Open and had a quarterfinal appearance in Memphis. However, he found better form in Miami, making it to the semifinals with consecutive wins over Grigor Dimitrov, Milos Raonic, and Kei Nishikori. Still, he lost to Novak Djokovic in the semifinals.

At Indian Wells, Isner defeated Jürgen Melzer in the second round but was again beaten by Djokovic in the third round. He faced Rafael Nadal in Monte Carlo and lost in the third round. He made it to the quarterfinals in Madrid, where Tomáš Berdych defeated him. In Nice, he reached the semifinals but lost to Dominic Thiem.

A notable performance came at the 500 tournament in Washington, D.C., where Isner reached the final. He faced Kei Nishikori in the final but was defeated.

In 2016, John Isner had a year of mixed results. He started in Auckland, reaching the quarterfinals, but lost to Roberto Bautista Agut. At the Australian Open, he made it to the fourth round for the first time in six years, beating Marcel Granollers and Feliciano López, but was defeated by David Ferrer.

Isner chose to play on clay in South America, losing early in both tournaments. In the Davis Cup, he scored wins against Bernard Tomic and Sam Groth, helping the U.S. beat Australia.

At the BNP Paribas Open, Isner reached the fourth round but lost to Kei Nishikori. He suffered an early exit at the Miami Open, losing to Tim Smyczek. Despite a limited clay season, Isner made it to the fourth round of the French Open, losing to Andy Murray.

Isner had early losses on grass at the Aegon Championships and Wimbledon. He lost to Ryan Harrison in the second round of the Rogers Cup but reached the finals of the Atlanta Open, losing to Nick Kyrgios.

Skipping the Olympics, Isner focused on the U.S. Open Series. He lost his top-ranked American status after an early exit in Cincinnati and the U.S. Open, where he lost to Kyle Edmund.

In doubles, Isner won the Masters title at the Shanghai Masters with Jack Sock. Unseeded at the BNP Paribas Masters in Paris, he reached the final, beating David Ferrer and Marin Čilić. He lost the final to Andy Murray, finishing the year as the top-ranked American and in the top 20 for the seventh consecutive year. However, 2016 marked the first year since 2009 that Isner didn’t win a singles title.

In 2017, John Isner had a notable year with several key performances. He reached the quarterfinals at the ASB Classic, the Memphis Open, and the U.S. Men’s Clay Court Championships. A significant achievement came at the Italian Open in Rome, where Isner made it to the semifinals but was defeated by the eventual champion, Alexander Zverev.

At the French Open, Isner had a strong start with wins over Jordan Thompson and Paolo Lorenzi but was ousted in the third round by Karen Khachanov.

At Wimbledon, Isner won his first-round match against Taylor Fritz but lost to Dudi Sela in a five-set match in the second round. He bounced back at the Dell Technologies Hall of Fame Open in Newport, winning the tournament by defeating Matthew Ebden in the final. This victory marked his first singles title of the year.

Isner continued his success by winning the Atlanta BB&T Open, defeating Ryan Harrison in the final. This win was Isner’s fourth title at the Atlanta Open, having reached the finals seven times.

2018, John Isner had a standout year, especially in Grand Slam tournaments. Despite a slow start in January, losing early in Auckland and at the Australian Open, Isner’s year was marked by significant achievements:

  • He won the Indian Wells doubles title with Jack Sock, defeating the Bryan Brothers.
  • Isner claimed his first Masters 1000 title at the Miami Open by beating Alexander Zverev, which elevated him to a career-high world No. 9 ranking.
  • He reached the fourth round of the French Open.
  • At Wimbledon, Isner made his first Grand Slam semifinal following a quarterfinal victory over Milos Raonic. He lost a marathon semifinal match against Kevin Anderson, the fourth-longest match in tennis history and the second-longest at a Grand Slam.

Isner’s aggressive playing style, including a solid serve-and-volley game, was crucial to his 2018 success.

Continuing his excellent form, Isner won the Atlanta Open for the fifth time, beating Ryan Harrison. He reached the U.S. Open quarterfinals but lost to Juan Martín del Potro. After the birth of his first child, Isner reduced his schedule, playing in Stockholm and Vienna, where he had early exits.

In 2019, Isner reached the final of the Miami Open but was defeated by Roger Federer. He finished the year ranked No. 19, marking his tenth consecutive year in the top 20.

In 2020, John Isner had a promising start but faced challenges as the year progressed. He reached the semifinals of the ASB Classic, losing to Ugo Humbert. At the Australian Open, he advanced to the third round but had to retire due to a foot injury during his match against Stan Wawrinka.

The COVID-19 pandemic then disrupted the tennis calendar, pausing the ATP tour. When the tour resumed at the Cincinnati Masters, Isner lost in the third round to Stefanos Tsitsipas.

However, Isner saw success at the 2021 French Open, reaching the third round before losing to Stefanos Tsitsipas. He won his sixth ATP doubles title in July at the Los Cabos Open, partnering with Hans Hach Verdugo.

Isner’s most significant achievement in 2021 was at the Atlanta Open, winning a record sixth title in his ninth finals appearance. His performance at the Canadian Open was also noteworthy. He reached the semifinals, defeating seeded players like Cristian Garín, Andrey Rublev, and Gaël Monfils, but lost to Daniil Medvedev. Following this tournament, Isner’s ranking improved to No. 26 as of August 16, 2021.

2022 John Isner had a notable year, especially in doubles competition. He achieved significant success with different partners:

  • Isner and Jack Sock won the doubles title at Indian Wells, defeating Santiago González and Édouard Roger-Vasselin in the final.
  • Partnering with Hubert Hurkacz at the Miami Masters, they beat Thanasi Kokkinakis, and Nick Kyrgios in the semifinals and Wesley Koolhof and Neal Skupski in the final. This victory made Isner the second man in history to win the ‘Sunshine Double.’
  • Isner teamed up with Diego Schwartzman at the Italian Open, reaching the doubles final. This achievement marked Isner as the first player to get three Masters 1000 doubles finals with three different partners in the same year.

Isner’s doubles success helped him reach the top 20 in doubles rankings on May 16, 2022.

In singles, Isner’s journey at the 2022 French Open ended in the third round, losing to Bernabe Zapata Miralles. He set new records at Wimbledon:

  • Serving 54 aces in a match against Enzo Couacaud
  • Defeating Andy Murray
  • Surpassing Ivo Karlovic’s record of 13,728 career aces

He became the fifth man to reach 1000 aces at Wimbledon but lost to Jannik Sinner in the third round.

At the U.S. Open, Isner withdrew from his second-round match due to a wrist injury sustained during his first-round win against Federico Delbonis.

Isner returned to the Rolex Paris Masters, advancing to the second round, where Andrey Rublev defeated him.

In 2023, John Isner’s career saw significant milestones and a farewell to professional tennis:

  • At the Dallas Open, Isner reached the semifinals, defeating Emilio Gómez and achieving his 500th career tiebreak win, a first in the Open Era. He then beat J. J. Wolf to earn his 31st final but lost to Wu Yibing despite serving 44 aces, the second-highest in a best-of-three-set match.
  • Isner’s ranking dropped, and he exited the top 100 on June 12, 2023.
  • He reached the semifinals in Newport, his career’s last, defeating Alex Bolt, Corentin Moutet, and Tommy Paul, but lost to Alex Michelsen.
  • On August 23, 2023, Isner announced that the U.S. Open would be the last event of his career.
  • At the U.S. Open, Isner played his final singles match on August 31, 2023, a thrilling five-set loss to Michael Mmoh.
  • After his last doubles match, he retired on September 1, 2023, partnering with Jack Sock.

Isner’s retirement marked the end of a distinguished career, highlighted by his impressive serve, numerous aces records, and significant achievements in singles and doubles competitions.


Grand Slam tournaments
Year-end championships
ATP Masters 1000145
Olympic Games
ATP Tour 50033
ATP Tour 25015822


Grand Slam tournaments
Year-end championships
ATP Masters 1000527
Olympic Games
ATP Tour 500123
ATP Tour 250213

John Isner Net Worth

John Isner Net Worth

John Isner has built a substantial net worth throughout his successful tennis career. With a net worth of $20 million, he has earned considerable wealth from tournament prizes and lucrative endorsements. 

Additionally, his total prize money in singles and doubles competitions is estimated to be $22,050,212, making him one of the highest-earning tennis players in the world.

John Isner Endorsements

Isner has been endorsed by various brands, including Fila, Ebix, Nula Pet Food, Prince Tennis Kits, TAMKO, Defy, Runa, and Betterment, contributing significantly to his financial success. 

John Isner Salary

As a professional tennis player, John Isner earns a substantial income from various sources that can vary based on his performance in tournaments and endorsement deals.

His monthly income and salary are estimated to be around $0.1 million or more, while his yearly income and salary amount to approximately $2 million. 

This income comes from prize money from tournaments, appearance fees, and endorsement deals with different brands.

John Isner Family 

John Isner’s parents are Bob Isner and Karen Isner. His father was a builder, and his mother was a real estate agent. 

Despite not having a tennis background, they supported and encouraged John’s passion for tennis from an early age. 

Along with his two brothers, Nathan and Jordan, they provided a loving and supportive family environment.

John Isner is married to Madison McKinley Isner. The couple tied the knot and has been together as a loving family.

John Isner Personal Life

John Isner’s personal life is filled with love and family. He is married to Madison McKinley Isner, a talented jewelry designer. 

The couple tied the knot on December 4, 2017, in South Carolina, and they have been together as a strong and supportive team ever since. They have been blessed with four beautiful children in their journey of love. 

Their first child, Hunter Grace, was born in 2018, followed by John Hobbs in 2019, James ‘Mack’ McKinley in 2021, and Chapel Lee in 2023. 

The family shares a close bond and enjoys spending quality time together.

John takes great pride in being a devoted father and husband, and his personal life reflects the importance of family values and cherishing the moments with loved ones.

During matches, John Isner sweats profusely and always carries at least three sets of T-shirts and shorts with him. 

Standing at 6 feet 10 inches, he is one of the tallest players in tennis, making him stand out on the court.

Previously, John Isner lived in Tampa, Florida, where he trained at the Saddlebrook Academy with fellow American tennis players like James Blake and Mardy Fish. However, he now resides in Dallas, Texas.

John Isner Education

John Isner attended Walter Hines Page Senior High School for his high school education.

Later, he studied at the University of Georgia, where he pursued a major in speech communication.

John Isner Height, Weight & Physical Appearance

John Isner stands tall at 6’10” (208cm) and weighs 238 lbs (108kg). With this height and weight, he is considered one of the tallest and most imposing players in tennis. 

He is known for his high presence on the court, which gives him an advantage in serving and net play.

In addition to his impressive height and weight, John Isner has striking features. His black hair and dark brown eyes add to his distinct appearance. 

Furthermore, his shoe size is 15 (US), reflecting his large stature. Isner’s physical attributes, powerful serve, and aggressive playing style have made him a formidable opponent on the tennis court.


In conclusion, John Isner’s remarkable career in tennis, marked by his towering height, powerful serve, and impressive achievements, has solidified his position as one of the top players in the sport. 

His dedication to the game and hard work have earned him numerous awards and a strong following of fans worldwide.

Off the court, Isner’s philanthropic efforts through the Isner Family Foundation showcase his commitment to giving back to the community. 

He has not only excelled in tennis but also used his platform to support charitable causes, making a positive impact on people’s lives. 

With his continued passion for the sport and his dedication to making a difference, John Isner’s legacy in tennis is sure to endure for years to come.


How much money has Isner made?

John Isner has accumulated a substantial net worth of $20 million, with an annual salary of over $2 million and a monthly income exceeding $0.1 million.

What is the height of John Isner?

John Isner is known for his exceptional height. He stands at 6 feet 10 inches (208 cm) tall.

Alice Moreno
About the author

Hi, I'm Alice Moreno. I've been writing about celebrities since 2005. I love sharing stories about famous people and finding out how much they're worth. I studied Journalism and enjoy digging for facts to make sure everything I write is true.

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