The Group III tournament was held April 29 - May 3, in Santa Cruz, Bolivia, on clay courts. The top two teams from each pool advanced to a promotion playoff, while the bottom two were placed in a relegation playoff.
Contents
1st-4th Playoff
Dominican Republic and Costa Rica both promoted to Group II for 1999.
5th-8th Playoff
Puerto Rico and Bermuda both relegated to Group IV for 1999.
References
1998 Davis Cup Americas Zone Group III Wikipedia(Text) CC BY-SA