World number six Juan Martin del Potro could be a doubt for Roland Garros after sustaining a groin strain in Rome.
The Argentinian, a former US Open winner and Olympic silver medallist, retired from his third-round match against David Goffin at the Italian Open on Thursday.
"After the medical examinations today it has been determined that I suffered a groin strain (grade 1) in Rome," Del Potro tweeted late Friday.
"I have started to do rehab and will evaluate the situation in the upcoming days to decide whether I play the French Open." Roland Garros runs from May 27 to June 10.
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