Her biggest performances at Fed Cup level include partnering Cecilia Hincapié in a doubles win over Chile in the 1993 World Group Play-off, secured 13–11 in the third set, to prevent Colombia being demoted.

In a 1994 World Group tie against Germany she took the second set off top 20 player Anke Huber in a singles rubber, before losing in the third.

[2] Giraldo reached her best singles ranking of 256 in 1997 and left the professional tour at the end of the year to attend Clemson University in the United States.

As a member of the Clemson Tigers women's tennis team she earned All-ACC selection in both 1999 and 2000.

She lost to Eva Martincová in the first round of the singles but made the quarter-finals of the doubles, partnering Catalina Castaño.