The fifth-seeded Wozniak, who was born in Montreal and lives in Blainville, Quebec, will play Kazakhstan's Galina Voskoboeva in the quarterfinals on Friday. Voskoboeva defeated Canada's Rebecca Marino 6-1, 6-3.
Also Thursday, Angela Haynes of the U.S. beat France's Severine Bremond 6-2, 6-4 and France's Nathalie Dechy upset seventh-seeded Olga Govortsova of Belarus 6-1, 7-5.
Haynes and Dechy will meet in the quarterfinals.
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