PONTE VEDRA BEACH, Fla.(AP) Top-seeded Nadia Petrova has beaten Alona Bondarenko 4-6, 6-3, 7-6 (5) to advance to the semifinals of The MPS Group Championships.

Petrova countered 71 unforced errors with seven aces on Friday. She is coming off a ``stress reaction'' injury to her right foot and played with both feet taped.

She will play Saturday against fifth-seeded Aleksandra Wozniack, who outlasted Tamira Paszek 6-3, 3-6, 7-6 (9-7).

Petrova fell behind 3-0 in the third set before rallying to tie it 6-6.

The world's 10th-ranked player took a 6-3 lead in the tiebreaker, but Bondarenko hit a forehand winner and Petrova put a forehand into the net to make it 6-5. Bondarenko lost when she hit a backhand into the net.