Davis Cup is an international tennis tournament at which men teams compete as a country-vs-country.
History of the tournament
The national team with the most titles in the history of the tournament is USA. The current tennis champion and titleholder is RTF.
There are 8 teams that are separated into 6 groups.
The World Group is the highest-ranked group where 16 best national teams compete for the Davis Cup trophy. Other nations that are not the part of the World Group compete in 3 regional zones. The national teams in each group play against each other and the winners of each group meet in the knockout stage.