Duque Marino, Salemi, Errani, Llagostera Vives win

BOGOTA, Colombia -- Teen wild card Mariana Duque Marino advanced to the quarterfinals in her hometown Copa Colsanitas, upsetting fifth-seeded Yvonne Meusburger 6-1, 6-2 on Wednesday in the clay-court tournament.

The 18-year-old Duque Marino, into her first WTA Tour last eight, will face Maria Emilia Salerni of Argentina, who beat Maria Elena Camerin of Italy 4-6, 6-2, 6-3 in 2 hours, 15 minutes.

Sixth-seeded Sara Errani of Italy defeated Lourdes Dominguez Lino 6-0, 6-3 and will face another Spaniard in the quarters, qualifier Nuria Llagostera Vives, a 6-2, 6-0 winner over Rossana de los Rios of Paraguay.