▁Play ers ▁had ▁to ▁be ▁part ▁of ▁a ▁nominated ▁team ▁for ▁three ▁Fed ▁Cup ▁( w omen ) ▁or ▁Davis ▁Cup ▁( men ) ▁events ▁between ▁the ▁ 2 0 1 6 ▁and ▁ 2 0 2 0 ▁Olympics . ▁This ▁requirement ▁was ▁reduced ▁to ▁two ▁Fed / D av is ▁Cup ▁events ▁during ▁the ▁Olympic ▁cycle ▁from ▁ 2 0 1 6 ▁to ▁ 2 0 2 0 ▁if ▁their ▁nation ▁competed ▁at ▁the ▁Zone ▁Group ▁round ▁ro bin ▁level ▁for ▁three ▁of ▁the ▁four ▁years ▁or ▁if ▁the ▁player ▁had ▁represented ▁their ▁nation ▁at ▁least ▁twenty ▁times . ▁All ▁players ▁were ▁required ▁to ▁have ▁been ▁part ▁of ▁a ▁nominated ▁team ▁for ▁a ▁Fed / D av is ▁Cup ▁event ▁in ▁ 2 0 1 9 ▁or ▁ 2 0 2 0 , ▁and ▁to ▁have ▁had ▁a ▁good ▁standing ▁with ▁their ▁National ▁Olympic ▁Committee . ▁ ▁Each ▁National ▁Olympic ▁Committee ▁( NO C ) ▁could ▁enter ▁ 6 ▁male ▁and ▁ 6 ▁female ▁athlet es , ▁with ▁a ▁maximum ▁of ▁ 4 ▁entries ▁in ▁the ▁individual ▁events , ▁and ▁ 2 ▁pairs ▁in ▁the ▁doubles ▁events . ▁▁ ▁For ▁the ▁singles ▁compet itions , ▁the ▁top ▁ 5 6 ▁players ▁in ▁the ▁world ▁rank ings ▁on ▁a ▁later ▁date ▁to ▁be ▁announced ▁of ▁the ▁W TA ▁and ▁ATP ▁t ours ▁are ▁qualified ▁for ▁the ▁Olympics . ▁However , ▁entry ▁has ▁been ▁limited ▁to ▁four ▁players ▁from ▁a ▁country . ▁ ▁This ▁means ▁that ▁players ▁who ▁are ▁ranked ▁in ▁the ▁top ▁