World number 11 Gael Monfils announced on Monday that he was to go into rehabilitation for injuries to his patella and achilles heel.
"The exams that I did today have revealed a chondropathy of my left patella and a tear in my left achilles heel," Monfils said.
"I will start tomorrow a rehabilitation program and will do all it takes to recover as soon as possible."
— Gael Monfils (@Gael_Monfils) March 20, 2017
The French number two seemed to struggle last week in Indian Wells, where he went down to Austrian Dominic Thiem in the last 16, and he was not entered for Miami, which starts Tuesday.
Monfils holds an 8-4 win-loss record this year, including reaching quarter-finals in Marseille and Dubai.
Updated Date: Mar 21, 2017 18:07 PM