Bartoli retires from Rogers Cup with an abdominal injury

Marion Bartoli pulled out during her third-round match against Magdalena Rybarikova at the Rogers Cup.
Andy Lyons/Getty Images

TORONTO (AP) -- Wimbledon champion Marion Bartoli retired because of an abdominal injury early in the second set of her third-round Rogers Cup match against Slovakia's Magdalena Rybarikova on Thursday

Rybarikova led 7-6 (5), 1-0 when the seventh-seeded Bartoli stopped playing.

Playing her first event since returning from a hamstring injury that sidelined her since her major victory in London, Bartoli was in obvious discomfort as she walked to the player bench area, where she had a trainer stretch her arm and leg. On Wednesday, she beat American qualifier Lauren Davis 6-0, 6-3.

Earlier, fourth-seeded Li Na of China fought back from a three-game deficit in the final set for a 3-6, 6-1, 7-6 (5) victory over Serbia's Ana Ivanovic.

Third-seeded Agnieszka Radwanska of Poland also advanced to the quarterfinals, beating American Sloane Stephens 6-1, 7-6 (2). Fifth-seeded Sara Errani of Italy beat Alize Cornet of France 7-5, 7-6 (3).

Top-seeded Serena Williams faced Kirsten Flipkens of Belgium.

Copyright 2014 Associated Press. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.

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