Nyora kuenderera kweiyi ndima - Musi wa7 Chikumi 2019, Ivanušec akasarudzwa muNenad Gračan's 23-murume squad yeEFAFA Under-21 Euro 2019. Akaita mitambo miviri mumutambo uyu, mukukundwa neFrance 1-0 uye mukukwikwidza neEngland 3-3, apo Croatia yakapedza iri yekupedzisira muboka ravo. Mumutambo wekupedzisira, akapa Josip Brekalo rubatsiro rwechinangwa cheCroatia chechitatu. Musi wa9 Kurume 2021, akasarudzwa zvakare kuUEFA Under-21 Euro 2021, achitumidzwa zita muIgor Bišćan's 23-man squad yechikamu cheboka chemakwikwi. Akasimuka semumwe wevatambi vakanakisa muchikwata, sezvo Croatia yakafambira mberi kuenda kumaquarter-fainari. Mumutambo wekupedzisira weboka, kurasikirwa ne2<unk>1 kuEngland musi wa31 Kurume, Ivanušec akaita mutambo wake wechi27 wechikwata, achiva mutambi ane mukurumbira munhoroondo. Musi wa 17 Chivabvu, akatumidzwa zita rake muBišćan's 23-man squad yeiyo knockout nhanho yemutambo, pamwe neZlatko Dalić's 26-man squad yeEFAFA Euro 2020
. Musi waChikumi 7, akanyorwa muEFAFA Under-21 Euro 2021 Squad yeMutambo.