PARIS, Jan. 31 (UPI) -- Kiki Bertens and Carla Suarez Navarro advanced on upset wins Thursday in second-round play of the 21e Open GDF Suez tennis tournament in Paris.
Bertens ousted fourth-seeded Dominika Cibulkova 7-5, 6-4, dropping her serve just once and winning two-thirds of the points on serve. The late break in the first set gave Bertens the lead and she had two more breaks in the second set.