the association of tennis professionals (atp) tour is the top level professional tennis tour for men's tennis competitions. the 2014 atp tour calendar is made up of four grand slam tournaments (organised by the international tennis federation (itf)), and sixty-one regular tournaments. it also includes the davis cup (organised by the itf), and the year-end championships (the atp world tour finals). the hopman cup, which does not distribute ranking points, is included. the season begins on 30 december 2013 and will end on 17 november 2014.