Former champion Ana Ivanovic went out of the French Open on Friday, beaten 1-6 7-5 6-3 by Italian clay court specialist Sara Errani in an erratic third-round display.
Ivanovic, the Roland Garros winner in 2008 and a former world number one, started well on the Suzanne Lenglen show court but her game deteriorated and at one stage in the final set, she hit three double faults in a row.
Errani, seeded 21st while Ivanovic was number 13, served well and won points at the net before taking victory on her second match point when the Serbian put a forehand wide.
Errani will now meet either third seed Agnieszka Radwanska of Poland or 26th-seeded Russian Svetlana Kuznetsova, another former champion.