Carla Heredia Serrano has won nine Ecuadorian Girl's Chess Championships in different age groups. She three times participated in World Girls' Junior Chess Championships (2009-2011). In 2009, she won the American Girl's Chess Championship in U20 age group and Ecuadorian Women's Chess Championship, and has become the winner of the FIDE Women's World Chess Championship South American Zonal Tournament and got the right to participate in the finals. In 2010 Carla Heredia Serrano participated in Women's World Chess Championship by knock-out system and in the first round lost to Hou Yifan.