0 1 6 ▁Cro atia ▁Open ▁Um ag ▁ ▁( also ▁known ▁as ▁the ▁Kon z um ▁Cro atia ▁Open ▁Um ag ▁for ▁spons or ship ▁reasons ) ▁was ▁a ▁men ' s ▁tennis ▁tournament ▁played ▁on ▁out door ▁cl ay ▁courts . ▁It ▁was ▁the ▁ 2 7 th ▁edition ▁of ▁the ▁Cro atia ▁Open , ▁and ▁part ▁of ▁the ▁ATP ▁World ▁Tour ▁ 2 5 0 ▁Series ▁of ▁the ▁ 2 0 1 6 ▁ATP ▁World ▁Tour . ▁It ▁took ▁place ▁at ▁the ▁International ▁Tennis ▁Center ▁in ▁Um ag , ▁Cro atia , ▁from ▁ 1 8 ▁July ▁through ▁ 2 4 ▁July ▁ 2 0 1 6 . ▁ ▁Singles ▁main ▁draw ▁entr ants ▁ ▁Se eds ▁▁▁▁ 1 ▁Rank ings ▁are ▁as ▁of ▁July ▁ 1 1 , ▁ 2 0 1 6 ▁ ▁Other ▁entr ants ▁ ▁The ▁following ▁players ▁received ▁wild cards ▁into ▁the ▁singles ▁main ▁draw : ▁▁ ▁Nik ola ▁Me kt ić ▁▁▁ ▁N ino ▁Ser dar u š ić ▁▁ ▁Fran ko ▁Š k ug or ▁ ▁The ▁following ▁players ▁received ▁entry ▁from ▁the ▁qual ifying ▁draw : ▁▁ ▁Nik ola ▁Č a č ić ▁▁▁ ▁André ▁G hem ▁▁▁ ▁Michael ▁Lin zer ▁▁▁ ▁En rique ▁López - P érez ▁ ▁The ▁following ▁player ▁received ▁entry ▁as ▁a ▁special ▁ex empt : ▁▁ ▁Ren zo ▁Ol ivo ▁ ▁Ret ire ments ▁▁▁ ▁Fran ko ▁Š k ug or ▁ ▁Dou bles ▁main ▁draw ▁entr ants ▁ ▁Se eds ▁▁▁ ▁Rank ings ▁are ▁as ▁of