
"It hurts me so much to miss the Olympics and the US Open, you have no idea, just to type those words hurt!," she wrote. "I think this will be the first grand slam I have ever missed."
According to Sharapova, New York doctor David Altchek said she had been playing with a tear in her right rotator cuff since April.
Maria Sharapova is not expected to require surgery. She will travel to Arizona for rehabilitation and strength work and is likely to miss two to three months.