South America Tennis Confederation

South America Tennis Confederation (Confederacion Sudamericana de Tenis or COSAT) (Confederação Sul Americana de Tênis) is a private non-profit organization, affiliated with International Tennis Federation. It is the regional body of tennis associations of most of the nations of the South America, excluding Guyana and Suriname, which are the members of Central American & Caribbean Tennis Confederation (COTECC).

Member nations
South America Tennis Confederation affiliates ten South American nations: