How Ben Shelton uses creatine, protein, and one brutal deep core exercise to build power

Tennis phenom Ben Shelton claimed victory after a four-hour marathon match at the 2026 US Open. He said his training for stamina and explosive power paid off. Photo by Leonardo MUNOZ / AFP via Getty Images Tennis phenom Ben Shelton said his training focuses on exercises for stability and explosive power. He said suffering through split squats and Copenhagen planks makes it easy to keep up on the court. His supplement stack has some gym bro favorites like creatine. For nearly four and a half hours, Ben Shelton battled Spain's Carlos Alcaraz in a quarterfinals marathon. More than a million viewers tuned in to the late-night match, one of the most-watched at the 2026 US Open . Fans were on the edge of their seats until around 3:30 a.m. on September 9, when the American finally claimed victory. Some joked about calling in sick to work after.