Urszula Radwanska gains semis
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Radwanska, the younger sister of third-ranked Agnieszka, broke six times in the match but dropped her own serve five times.
The 40th-ranked Pole will play Irina-Camelia Begu of Romania, who upset eighth-seeded Galina Voeskoboeva of Kazakhstan 3-6, 7-6 (1), 7-5.
Croatian teenager Donna Vekic dispatched sixth-seeded Bojana Jovanoski of Serbia 6-4, 6-4. She will meet Eva Birnervo after the Czech defeated fifth-seeded Alexandra Cadantu of Romania 6-3, 4-6, 6-2.
Copyright 2012 by The Associated Press
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