ional ▁activities ▁over ▁a ▁two - day ▁period , ▁a ▁susp ension ▁will ▁not ▁be ▁enfor ced ▁but ▁a ▁ 0 - pointer ▁will ▁be ▁counted ▁on ▁a ▁player ' s ▁ranking . ▁If ▁a ▁player ▁does ▁not ▁play ▁enough ▁ATP ▁ 5 0 0 ▁events ▁and ▁does ▁not ▁have ▁an ▁ATP ▁ 2 5 0 ▁or ▁Ch allen ger ▁appearance ▁with ▁a ▁better ▁result , ▁the ▁Davis ▁Cup ▁is ▁counted ▁in ▁the ▁ 5 0 0 s ▁table ▁( if ▁the ▁player ▁entered ▁or ▁achieved ▁better ▁results ). ▁If ▁a ▁player ▁does ▁not ▁play ▁enough ▁ATP ▁ 2 5 0 ▁or ▁Ch allen ger ▁events , ▁the ▁World ▁Team ▁Championship ▁is ▁counted ▁in ▁the ▁ 2 5 0 s ▁table ▁( if ▁the ▁player ▁entered ▁or ▁achieved ▁better ▁results ). ▁If ▁a ▁player ▁could ▁not ▁be ▁present ▁in ▁all ▁required ▁tournament ▁classes ▁( i . e . ▁because ▁of ▁an ▁injury ), ▁all ▁un count ed ▁ATP ▁ 2 5 0 ▁or ▁Ch allen ger ▁results ▁are ▁el ig ible ▁to ▁be ▁included ▁in ▁his ▁ 1 8 ▁valid ▁tournament s . ▁In ▁teams ▁rank ings , ▁Ch allen ger ▁points ▁are ▁ex cluded . ▁ ▁A ▁player ▁who ▁is ▁out ▁of ▁competition ▁for ▁ 3 0 ▁or ▁more ▁days , ▁due ▁to ▁a ▁verified ▁injury , ▁is ▁not ▁pen al ized . ▁The ▁ 2 0 1 3 ▁ATP ▁World ▁Tour ▁Final s ▁counts ▁as ▁an ▁additional ▁ 1 9 th ▁tournament ▁in ▁the ▁ranking ▁of ▁its ▁eight ▁qual ifiers ▁at