Local hope Peng Shuai grabbed the last berth of the last four at the China Open WTA tournament after rallying past third-seeded Frenchwoman Amelie Mauresmo in the quarterfinals at the Beijing Tennis Center on Friday.

The two-times Grand Slam winner ran out of gas in the last two sets, slumping to the 21-year-old Chinese girl 4-6, 6-4, 6-2 in two and a half hours.

"I was disappointed to lose the match and fail to reach the semifinals. I had thought I could win by two sets but I was physically worn down at the end of the second set and in the third set, although I played pretty well in the opening set," said Mauresmo at the press conference. "Besides, I only have ten days to prepare China Open."

Peng's reward will be a Saturday semifinal against Hungarian sixth seed Agnes Szavay, who produced an impressive display of baseline hitting to sweep past lucky loser Emilia Salerni from Argentina 6-2, 6-4.

The No. 113 Argentine received a place in the draw when top seed and title holder Svetlana Kuznetsova withdrew with an abdominal injury before her opening match.

After a solid start in the first set, Peng seemed shaky being 40-15 down in the second service game, but she saved three break points in all to hold serve characterized with all-court running and spectacular returns.

Peng, likely to be at about the peak of her game this season thrashing Swiss Martina Hingis in the second round, was again in deep trouble in the ninth game, allowing her opponent three breaking opportunities.

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