Beatriz Haddad Maia of Brazil beat top-ranked Iga Swiatek of Poland 6-4, 3-6, 7-5 in windy conditions to reach the National Bank Open quarterfinals.

The 26-year-old Haddad Maia beat a top-ranked tennis player for the first time to become the first Brazilian woman to advance to the quarterfinal of a WTA 1000 tournament. A back-to-back champion on the grass in Nottingham and Birmingham, she came to Toronto at a career-high 24th in the world.