Межамериканский кубок
On the international stage, D.C. United has competed in both the CONCACAF Champions League and its predecessor the CONCACAF Champions' Cup. The club is also the only American soccer club to ever compete in a CONMEBOL competition, participating in the 2005 and 2007 editions of the Copa Sudamericana. In 1998, the club won the CONCACAF Champions' Cup. Subsequently, United won the now-defunct Copa Interamericana, a competition between the CONCACAF on CONMEBOL champion that year to determine the best soccer club in the Americas. In the 1998, and final edition of the Copa Interamericana, D.C. United defeated Vasco da Gama of Brazil to take the title.