Top-seeded Colombian Fabiola Zuluaga remained on target to win her fourth consecutive WTA Bogota title, on Thursday crushing Argentina's Mariana Diaz-Oliva 6-2, 6-1.
Also into the quarterfinals Thursday on the dirt were (2)
Flavia Pennetta (d. (Q) Szavay), (5) Barbora Strycova (d. Gubacsi, bagel in the second), and Spanish qualifier
Lourdes Dominguez Lino (d. (8) Kurhajcova).
Wildcard
Clarisa Fernandez led (3)
Emilie Loit 7-6(1), 0-1 when rain stopped play for the day.
On tap for Friday in Bogota is Fernandez vs. Loit (to finish), Zuluaga vs. Castano, Birnerova vs. Dominguez Lino, Strycova vs. Pennetta, and Gagliardi vs. Fernandez or Loit.