Andre Agassi Calls Out ‘Flaw’ In Jannik Sinner’s Preparation: ‘There’s No Excuse’

BusinessSportsMoneyAndre Agassi Calls Out ‘Flaw’ In Jannik Sinner’s Preparation: ‘There’s No Excuse’ByAdam Zagoria,Contributor.Forbes contributors publish independent expert analyses and insights. I'm a basketball and tennis insiderFollow AuthorJun 05, 2026, 10:34am EDTItaly's Jannik Sinner gives a press conference after being defeated by Argentina's Juan Manuel Cerundolo in their men's singles match on day 5 of the French Open tennis tournament on Court Philippe-Chatrier at the Roland-Garros Complex in Paris on May 28, 2026. (Photo by JULIEN DE ROSA / AFP via Getty Images)AFP via Getty ImagesAndre Agassi didn’t hold back in his criticism of world No. 1 Jannik Sinner.The eight-time major champion said there was a “flaw” in Sinner’s preparation leading to his collapse from cramps against Juan Martin Cerundolo in the second round.Sinner was one game from victory but instead was overcome by cramps and melted like an ice cube in the Paris sun, falling in five sets and seeing his 30-match winning streak snapped. The world No. 1 was stricken with cramps and took what Jim Courier called an “illegal medical timeout” during the third set of his eventual loss.Speaking on TNT’s coverage of Roland Garros, Agassi said there was "no excuse" for him to "hit a wall" so soon into the match."Sinner going out was huge, and I don’t know if you called him out on that enough," he said on set. "I had a body clock of about four hours when I played, and if you gave me hot conditions, it dropped to like, three-45, three-50, it didn't change a lot."But to go from him playing five and a half hours last year in the finals and then having the heat tap him in an hour 45... there's a difference between being fit and being prepared.MORE FOR YOU"I have to point at a flaw in that kind of preparation, because there's something you can do about that. It's not that that dude doesn't work hard, that he's not fi...