<Tr> <Th> Most titles </Th> <Td> United States (32 titles) </Td> </Tr> <Tr> <Th> Official website </Th> <Td> DavisCup.com </Td> </Tr> <P> The Davis Cup is the premier international team event in men's tennis . It is run by the International Tennis Federation (ITF) and is contested annually between teams from competing countries in a knock - out format . It is described by the organisers as the "World Cup of Tennis", and the winners are referred to as the World Champion team . The competition began in 1900 as a challenge between Great Britain and the United States . By 2016, 135 nations entered teams into the competition . The most successful countries over the history of the tournament are the United States (winning 32 tournaments and finishing as runners - up 29 times) and Australia (winning 28 times, including four occasions with New Zealand as Australasia, and finishing as runners - up 19 times). The present champions are France, who beat Belgium to win their tenth title in 2017 . </P> <P> The women's equivalent of the Davis Cup is the Fed Cup . Australia, the Czech Republic, and the United States are the only countries to have held both Davis Cup and Fed Cup titles in the same year . The Hopman Cup, a third competition for mixed teams, carries less prestige, but is a popular curtain raiser to the tennis season . </P>

Who runs the international davis cup events for men's tennis