Second seed Alexandra Dulgheru was a round upset victim Tuesday at the $220,000 XX Copa BBVA Colsanitas tennis tournament.
Italian Karin Knapp drove out the Romanian Dulgheru 6-2, 6-2 on the red clay at the Centro de Alto Rendimiento.
Third-seeded Swiss Romina Oprandi advanced with a 6-2, 6-2 spanking of Romanian Alexandra Cadantu, while fifth-seeded Argentine Gisela Dulko overcame German Kathrin Woerle 1-6, 6-2, 6-4, and seventh-seeded Spaniard Lourdes Dominguez Lino leveled Canadian Sharon Fichman 6-2, 6-2. Dominguez Lino is the reigning Bogota champion, having beaten Frenchwoman Mathilde Johansson in last year's finale. Dominguez Lino also titled here in 2006 and was the runner-up in 2005.
Wild card and 32-year-old Colombian favorite Catalina Castano advanced with a 5-7, 6-0, 6-3 victory over once-promising Bulgarian Sesil Karatantcheva.
Other Day-2 wins came for Czech Eva Birnerova, Romanian Edina Gallovits-Hall, Kazakhstani qualifier Yaroslava Shvedova, Russian Alexandra Panova and Hungarian Timea Babos.
This week's champion will claim $37,000.