Peng retires from match in Malaysia with back injury

KUALA LUMPUR, Malaysia (AP) Fourth-seeded Peng Shuai retired from her match with a back injury Thursday at the Malaysian Open.

Peng was trailing 5-2 against Magda Linette of Poland when she withdrew.

Linette will next face fifth-seeded Duan Yingying in the quarterfinals. Duan beat Sara Sorribes Tormo of Spain 6-0, 4-6, 7-5.

Also advancing to the quarterfinals were Wang Qiang, Han Xinyun and Ashleigh Barty.

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