KEY BISCAYNE (AP) — Dominika Cibulkova erased three match points in the second set Wednesday and beat Agnieszka Radwanska 3-6, 7-6 (5), 6-3 in the quarterfinals of the Sony Open.

The No. 10-seeded Cibulkova won despite losing her serve 10 times, double-faulting eight times and committing 51 unforced errors. There were 11 breaks in the first 12 games of the match.

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Cibulkova collapsed to her back in jubilation when Radwanska’s final shot sailed out. The runner-up at the Australian Open in January, Cibulkova advanced to the Key Biscayne semifinals for the first time.

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Former top-ranked player Martina Hingis teamed with Sabine Lisicki and overcame three match points against Anabel Medina Garrigues and Yaroslava Shvedova to win 3-6, 7-6 (7), 10-7 and reach the semifinals in women’s doubles.

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