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Jack Sock, an American who won his first singles title this season, signed a global marketing and management deal with talent agency WME-IMG.

The Nebraska-born 22-year-old broke into the top 35 of the men’s tennis tour after winning on clay in Houston in April. In June, he became the youngest American man since Pete Sampras in 1993 to reach the fourth round at Roland Garros, where he eventually lost to nine-time winner Rafael Nadal.

Sock has “the potential to become the next great American tennis star,” Fernando Soler, head of IMG’s tennis division, said in an e-mailed statement.

Although the U.S. is the biggest market for tennis, American men have struggled this century to contend for the sport’s biggest prizes. The now retired Andy Roddick is the last American man to win a singles major, at the 2003 U.S. Open.

Sock is the American No. 3 after 30-year-old John Isner, and Sam Querrey, 27. Isner is ranked 19th, while Querrey is 30th. Sock, who has won 17 of his 25 matches this year, is ranked 35th.

“This is a very exciting time in my career and the global expertise that WME-IMG offers will help me set the foundation for long-term success both on and off the tennis court,” said Sock.

Sock moved to WME-IMG from Creative Artists Agency after his contract expired. IMG Tennis has signed several young players in the past 12 months, including two-time Wimbledon champion Petra Kvitova, Wimbledon 2014 runner-up Eugenie Bouchard and Wimbledon quarterfinalist Nick Kyrgios. It also represents Wimbledon finalist Garbine Muguruza, U.S. Open runner-up Kei Nishikori and junior Wimbledon champion Sofya Zhuk.

IMG was bought in 2014 by Silver Lake Management LLC and William Morris Endeavor Entertainment LLC, creating an agency with top talent across both sports and entertainment, including movie star Matt Damon and the No. 1 players on the women’s and men’s tours, Serena Williams and Novak Djokovic.

Sock is the first male tennis player ranked inside the top 50 to be represented at IMG Tennis by Max Eisenbud. The long-time agent of Russia’s Maria Sharapova, the world’s best-paid female athlete, Eisenbud also represents junior Wimbledon champion Laura Robson of Britain and Australian Open semifinalist Madison Keys of the U.S.

Standing at 6-foot-3 (1.9 meters), Sock started playing when he was eight. He compiled an 80-0 record in his high school career in Kansas, winning four consecutive state championships, and took the 2010 U.S. Tennis Association Boys’ 18s Nationals and 2010 U.S. Open junior title. He turned pro in 2011 and has earned $2.4 million in prize money.

Unusually for a young athlete, Sock is also an accomplished doubles player, winning the Wimbledon title with Canadian partner Vavek Pospisil last year, and the U.S. Open mixed doubles championship with fellow American Melanie Oudin in 2011 as a wildcard entry.