Rain interrupted the inaugural WTA event for the second straight day.
Fifth-seeded Lucie Safarova of the Czech Republic defeated Sesil Karatantcheva of Kazakhstan 6-2, 7-6 (9) and two other seeded players also advanced before the rain set in.
No. 6. Lourdes Dominguez Lino of Spain beat Mariana Duque-Marino of Colombia 7-5, 6-3 and No. 8 Annika Beck of Germany eased past Nina Bratchikova of Russia 6-2, 6-2.