Jeffrey John "J.J." Wolf is an American professional tennis player known for his competitive spirit and strong all-court game. A right-handed player with a two-handed backhand, Wolf achieved a career-high ATP singles ranking of World No. 39 on February 13, 2023. On the junior circuit, he reached a career-high ranking of No. 18 on May 16, 2016, showcasing his early talent and dedication. Wolf is recognized for his consistency, athleticism, and ability to perform under pressure. With a growing presence on the ATP Tour, he continues to be a promising American tennis talent, striving for success at major tournaments worldwide.