French number one Marion Bartoli has said she may miss the French Open starting on Sunday because of a wrist injury.

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World number nine Bartoli retired from her second-round match against China's Peng Shuai at the Strasbourg Open on Wednesday after hurting her right wrist while trailing 6-1 1-0.

"Now I am worried because I did not feel any pain in my wrist," Bartoli, who reached the Wimbledon final last year, told French sports daily L'Equipe.

"We need to find the cause of the pain less than a week before Roland Garros.

"We believe it is a tense nerve because I cannot bend my fingers anymore."

The draw for the tournament, which ends on June 8, will be made on Friday.