Australian Casey Dellacqua on Thursday continued her winning march at the Texas Open tennis tournament, advancing to the semi-finals with a straight-sets win over Aleksandra Wozniak.

Dellacqua beat the Canadian 6-4 6-4 to set up a semi-final showdown with second-seeded Jelena Jankovic of Serbia.

Jankovic downed eighth-seeded Romanian Sorana Cirstea 6-2 6-1.

Third seed Roberta Vinci of Italy defeated South African No.7 seed Chanelle Scheepers 7-6 (7-1) 6-2.

She will face the winner of a night match between sixth-seeded Peng Shuai of China and Bojana Jovanovski.