QUEBEC CITY (Quebec), Sept 18 Canada's Aleksandra Wozniak and Czech Lucie Safarova were straight-set winners in the second round of the Quebec City Challenge on Thursday.

Wozniak posted a 6-2, 7-5 win over Russian Regina Kulikova, while Canada's Valerie Tetreault lost 6-2, 6-2 to Safarova on the indoor hardcourts at Laval University.

Last year's Quebec runner-up, Bethanie Mattek-Sands, continued her strong play at this event by ousting fellow American Vania King 6-3, 6-3.

Mattek-Sands, who entered the draw as a wild card this week, gave way to this week's top seed, Russian Nadia Petrova, in last year's final.

Results (prefix number denotes seeding)

Second round 3-Aleksandra Wozniak (Canada) bt Regina Kulikova (Russia) 6-2, 7-5; 4-Lucie Safarova (Czech Republic) bt Valerie Tetreault (Canada) 6-2, 6-2; Bethanie Mattek-Sands (US) bt Vania King (US) 6-3, 6-3; Lilia Osterloh (US) bt Amra Sadikovic (Switzerland) 6-3, 2-6, 6-2.—Agencies