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 Career
John Isner began his tennis career at the age of 9, but it wasn’t until he was 11 that he began to take the sport seriously.
His dedication to the game grew, and he became a sought-after player by the time he reached college.
Isner played college tennis at the University of Georgia from 2004 to 2007, where he was a four-year All-American.
In 2007, he reached the NCAA singles final and won both the doubles and team titles, marking a successful end to his collegiate career.
Isner’s height of 6ft 10in (2.08m) has been a significant advantage in his playing style, contributing to his powerful serve.
After completing his college career, Isner turned professional at the age of 22 in 2007.
His first ATP-level tournament was the 2007 Washington Open, where he entered as a wildcard and performed well. After only six weeks on the pro tour, his ranking rose to 193.
This early success set the stage for Isner’s professional career, where he would go on to achieve the highest ranking of No. 8 in the world in 2018.
Professional Career
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.
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 reached 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 Details
John Isner’s net worth is estimated to be $15 million as of 2025.
Career Earnings
According to the ATP Tour website, Isner has earned a combined prize money of $22,430,808 in singles and doubles competitions.
Another source reports his total career prize money as $21,120,394.
These figures reflect Isner’s earnings from tournament prize money alone and do not include income from endorsements, sponsorships, or other sources.
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 | $15 million |
| Highest Ranking | No.8 (July16th ,2018) |
| Relationship Status | Married |
| Wife | Madison McKinley Isner |
| Instagram ID | @johnrisner |
| Twitter ID | @JohnIsner |
Wife
John Isner’s wife is Madison McKinley, a Texas-based handcraft jewelry designer.
The couple met during a tournament in Houston in 2011, and their first official meeting took place in London while McKinley was on holiday and Isner was attending Wimbledon.
They got engaged on June 25, 2017, a day before their sixth anniversary, at Saint Mary’s Church in Wimbledon Village.
They married on December 2, 2017, in a destination wedding inspired by Wyoming in the Low Country of South Carolina.
Madison McKinley was born to Karla and Mark McKinley and has two brothers, Charlie and Key.
She and her mother co-founded the jewelry brand Madison McKinley, which debuted its first line of earrings, necklaces, and bracelets in 2017.
McKinley’s business has been successful, earning her the title of “Best Fashion Jewellery Designer” by D Magazine in 2018. Her net worth is estimated to be $2 million.
McKinley attended Parsons School of Design in New York for three years before graduating from the University of Texas with a degree in Fine Arts.
She and Isner have four children: Hunter Grace, John Hobbs, James ‘Mack’ McKinley, and Chapel Lee Isner.
Age
John Isner is currently 38 years old. He was born on April 26th, 1985.
Height and Weight
John Isner is one of the tallest players on tour, at 6 ft 10 in (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) |
FAQs
Who is John Isner?
John Isner is a professional tennis player from the United States known for his powerful serve and competitive performances on the ATP Tour.
When was John Isner born?
John Isner was born on April 26, 1985, in Greensboro, North Carolina, USA.
What is John Isner’s playing style?
John Isner is known for his exceptional service and is one of the strongest players in men’s tennis. He often relies on his serve to dictate points and win matches.
When did John Isner turn professional?
John Isner turned professional in 2007 after playing college tennis at the University of Georgia, where he had a successful career.
What are John Isner’s notable achievements in tennis?
John Isner has won numerous ATP singles titles and consistently ranked among the top American male players. He is also known for playing in the longest tennis match in history, Wimbledon 2010.
Has John Isner won any Grand Slam titles?
As of the latest update, John Isner has not won a Grand Slam singles title, but he has reached the semifinals of Wimbledon in 2018.
Has John Isner represented the United States in international tennis competitions?
Yes, he has, representing the United States in Davis Cup matches and at the Olympics, where he has won medals.
What are John Isner’s favorite surfaces to play on?
Due to his powerful serve, John Isner performs well on hard courts, but he is also capable on grass and clay surfaces.
How can I follow John Isner’s tennis career?
You can follow John Isner’s matches and progress through the ATP Tour website, his official social media profiles, and tennis news outlets.
What is John Isner known for outside of tennis?
Outside of tennis, John Isner is known for his charitable work and involvement in community initiatives, particularly in his home state of North Carolina.
