J.J. Wolf is an American professional tennis player with a career-high singles ranking of Number 39, reached in February 2023. His best Grand Slam finish to date was in the fourth round of the 2023 Australian Open.

Player Profile

Jeffrey John “J. J.” Wolf was born on December 21, 1998, in Indian Hill, Ohio in the United States. He currently resides in Cincinnati, Ohio. He stands 183 cm tall and the ATP Tour last listed his weight at 77 kg.

Height / weight 1.83 m / 77 kg
Born 21 Dec 1998
Nationality United States United States
Playing Style Left Handed
Nickname J.J.

He is right-handed with a two-handed backhand. Since he turned pro in 2019, he has worked with coaches Patrick Thompson, David Kass, and Matt Vaughn. He has also earned more than US$1.5 Million in prize money.

He is related to Charley Wolf, a former basketball coach in the National Basketball Association.

College Career

Wolf played collegiate tennis for the Ohio State University.

In 2017, he was named the Big 10 Freshman of the Year and was named to the First-team All-Big 10. In 2019, he was named the Big 10 Men’s Tennis Athlete of the Year.

Professional Career

He turned pro in 2019 but he did not make his Grand Slam singles main draw debut until 2020 when he was through to the third round of the US Open.

That same year, Wolf also made his ATP Tour Masters 1000 debut when he appeared in the opening round of the Cincinnati Masters.

In 2021, he took a hiatus and underwent two hernia operations. This left him out of commission for around 7 months.

He came back in 2022 and scored his first two Masters wins when he was able to progress to the second round of Indian Wells and the Miami Open that year.

In January 2023, he made it to the fourth round of the Australian Open. This led to his career-high singles ranking of Number 39 in February 2023.

Career Record


  • Highest Singles Ranking: 39(February 13, 2023)
  • Current Singles Ranking: 46 (June12, 2023)

Best Grand Slam Singles Performances

  • Australian Open - 4R (2023)
  • French Open - 1R (2023)
  • US Open - 3R (2020, 2022)


  • Highest Doubles Ranking: 543 (May22, 2023)
  • Current Doubles Ranking: 547 (June12, 2023)

Best Grand Slam Doubles Performances

  • US Open - 1R (2016)

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