BOGOTA, Feb. 17 (UPI) -- Gisela Dulko of Argentina, the No. 1 seed, reached the quarterfinals of the Copa Colsanitas tennis tournament in Bogota with a straight-set victory Wednesday.
Dulko, a finalist in the event last year, eliminated Romania's Edina Gallovits 6-2, 7-5 and will next play the No. 6 seed, Czech Sandra Zahlavova, who downed countrywoman Petra Cetkovska 6-6, 6-2.
Third-seeded Sara Errani of Italy advanced with a 6-3, 6-1 win over Silvia Soler Espinosa of Spain and fifth-seeded Angelique Kerber of Germany out-fought Paraguay's Rossana de los Rios 7-6 (7-2), 6-4.
Also moving on was No. 8 Arantxa Parra Santonja of Spain, who battled to a 5-7, 7-6 (7-5), 6-4 win over Austrian Patricia Mayer.
Spaniard Maria Jose Martinez Sanchez beat Dulko in the finals last year.