Dominika Cibulkova reached the third round of the U.S. Open two weeks ago.
Larry W. Smith/Landov

QUEBEC CITY (AP) -- Belgium's Kirsten Flipkens beat top-seeded Dominika Cibulkova of Slovakia 2-6, 6-3, 7-5 on Wednesday in the first round of the Bell Challenge.

In second-round play, American Lauren Davis routed second-seeded Yanina Wickmayer of Belgium 6-1, 6-1, and third-seeded Mona Barthel of Germany beat Slovenia's Petra Rampre 6-2, 6-1.

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