The 24-year-old told liderenderportes.com: “I am sad to miss an important tournament. They are the tournaments I always dream of winning. I can get through this and rest and recover and prepare for the rest of the season at 100 per cent.”
Del Potro made the quarter-finals of the French Open last year, losing to Roger Federer. His clay-court season has not been one to remember, having failed to make an impact in Monaco and Rome, suffering early exits to Jarkko Nieminen and Benoit Paire respectively.