Jeffrey John “J.J.” Wolf is an American professional tennis player who has made a name for himself in tennis.
Born on December 21, 1998, in Indian Hill, Ohio, U.S., Wolf has achieved a career-high ATP singles ranking of world No. 39 as of February 13, 2023.
He played collegiately at Ohio State University before turning pro in 2019.
In this article, you will know Jeffrey John‘s net worth, salary, career earnings, contract, stats, wife, career overview, and more.
J.J. Wolf’s Biography
| Detail | Information |
| Full Name | Jeffrey John Wolf |
| Nickname | Wolfie |
| Birth Date | December 21, 1998 |
| Height | 6’0″ (183 cm) |
| Weight | 178 lbs (81 kg) |
| Birthplace | Cincinnati, OH, USA |
| Nationality | American |
| Current Net Worth | $5 million |
| Relationship Status | In a relationship |
| Girlfriend | Emma Sears |
| Instagram Profile | @jjwolf5 |
Wolf is an American by nationality who has represented his country in various international tennis competitions.
His full name is Jeffrey John Wolf, but he is also known by his nickname, “J.J.” Wolf.
Wolf was born into a family of athletes, with his father playing college basketball and his mother playing college volleyball.
Wolf’s grandfather, Charley Wolf, was a professional baseball player, and his sister, Danielle, also played tennis at the collegiate level for Ohio State.
Early Career
Wolf committed to playing collegiate tennis for the Ohio State Buckeyes, where he had a successful career.
2017, he was named the Big Ten Freshman of the Year and First-Team All-Big Ten. By April 2019, he was the No.1 ranked college player in the United States.
In his final year at Ohio State, he posted a 45-3 record in singles and doubles competition and was named Big Ten Men’s Athlete of the Year.
Professional Career
J.J. Wolf, born Jeffrey John Wolf, is an American professional tennis player who turned pro in 2019. Wolf’s professional career has progressed steadily.
He broke into the Top 100 in August 2022 and achieved a career-high ATP singles ranking of No. 39 in February 2023.
Wolf advanced to his first ATP Tour semifinal and final at the 2022 Florence tournament, where he lost to Felix Auger-Aliassime.
He also reached the third round of the US Open as a wildcard in 2020 and 2022, and in 2023, Wolf had an impressive run at the Australian Open.
He reached the fourth round after defeating Jordan Thompson, 23rd-seed Diego Schwartzman, and Michael Mmoh before losing to Ben Shelton.
His performance at the Australian Open and other successes helped him rise into the top 50 ATP rankings in January 2023.
Girlfriend
J.J. Wolf is dating Emma Sears. They met while studying at Ohio State University and started their romantic relationship in November 2020.
Emma Sears is also an athlete and has been a member of the Ohio State University’s soccer team.
J.J. Wolf’s Net Worth Details
J.J. Wolf’s net worth is estimated to be $5 million as of 2025. His earnings come from his prize money as a professional tennis player, endorsements, and other sources.
Prize Money
Over his career, J.J. Wolf has earned a total of $2,090,586 in prize money. In 2023, he earned $1,085,194.
In 2021, he earned $82,355; in 2020, he earned $263,596 from singles and $184 from doubles.
Career Earnings
| Year | Prize Money |
| 2023 | $1,085,194 |
| 2021 | $82,355 |
| 2020 | $263,596 (Singles), $184 (Doubles) |
| 2019 | $52,555 |
Endorsement
J.J. Wolf, an American professional tennis player, has secured several brand endorsements that complement his athletic career.
He is a brand ambassador for Greyson Clothiers, a Michigan-based company known for its high-performance athletic wear, which he joined in Spring 2022.
Since he began playing tennis professionally, Wolf has been equipped with racquets by Head, an American-Austrian company recognized for its tennis and squash equipment.
Career Stats
| Statistic | Value |
| Career record | 43–44 (49.4%) |
| Career titles | 0 |
| Highest ranking | No. 39 (13 February 2023) |
| Current ranking | No. 53 (11 December 2023) |
| Prize Money | $2,090,586 |
FAQs
Who is J.J. Wolf?
J.J. Wolf is an American professional tennis player born on December 21, 1998, in Cincinnati, Ohio. He’s known for his powerful forehand and his unique mullet hairstyle. Wolf turned pro in 2019 after playing college tennis at Ohio State University.
What’s J.J. Wolf’s biggest achievement in tennis so far?
While Wolf hasn’t won any ATP titles yet, he’s had some impressive runs. He reached the fourth round of the 2023 Australian Open, his best Grand Slam performance. He’s also made it to the third round of the US Open twice (in 2020 and 2022).
What’s the deal with J.J. Wolf’s mullet?
Wolf’s iconic mullet started as a promise to his college team. He said he’d get a mullet if they were ranked number one in the NCAA tournament. They did, so he kept his word. Now, it’s become his signature look on the tennis court.
Does J.J. Wolf come from an athletic family?
You bet! Wolf comes from a seriously sporty family. His grandfather, Charley Wolf, was a pro baseball player for the Cincinnati Reds and later coached NBA teams. His dad played pro tennis in the early ’90s, and his mom and sister played college tennis. In total, 26 family members played various sports at different levels.
What was J.J. Wolf’s college tennis career like?
Wolf had a stellar college career at Ohio State University. He was named Big Ten Freshman of the Year in 2017 and Big Ten Player of the Year in 2019. He was also an All-American and finished his junior year with an impressive 35-2 record in singles.
What’s J.J. Wolf’s playing style?
Wolf is known for his aggressive baseline game and powerful forehand. His big serve can clock in at over 130 mph. He also moves well on the court, which he credits to his background in sports like basketball.
What’s J.J. Wolf’s highest ranking so far?
Wolf reached his career-high singles ranking No. 39 worldwide on February 13, 2023. That’s a pretty big jump from where he started!
Does J.J. Wolf have a girlfriend?
Yes, J.J. Wolf is dating Emma Sears. They met while both were students at Ohio State University. Emma played soccer for the university, so they love sports. They’ve been together since November 2020.
What other sports did J.J. Wolf play growing up?
Before focusing on tennis, Wolf played several different sports. He played baseball, soccer, and basketball until he was about 16. He says these other sports helped develop his athleticism for tennis.
What’s J.J. Wolf’s connection to the Cincinnati tennis tournament?
The Western & Southern Open in Cincinnati is Wolf’s hometown tournament. He’s played in the qualifying rounds and even got to hit with Roger Federer there once. Wolf calls playing in Cincinnati his “favorite tennis memory ever” because he got to compete in front of his home crowd and family.
