See main article: 2006 Fed Cup Americas Zone. Group A of the 2006 Fed Cup Americas Zone Group I was one of two pools in the Americas Zone Group I of the 2006 Fed Cup. Four teams competed in a round robin competition, with the top team and the bottom two teams proceeding to their respective sections of the play-offs: the top teams played for advancement to the World Group II Play-offs, while the bottom teams faced potential relegation to Group II.