Petra Kvitova announced her withdrawal from the French Open on Monday, not long before her first round match.
The two-time Grand Slam winner revealed that she sustained a grade two tear in her left forearm.
Kvitova was due to play Romania's Sorana Cirstea on Court Suzanne Lenglen at Roland Garros.
Sorry to have to inform you of some bad news this morning pic.twitter.com/snxhJkPRuh
— Petra Kvitova (@Petra_Kvitova) May 27, 2019
Kvitova, who had been among the favourites for the title, has been replaced in the draw by Kaja Juvan of Slovenia.