Whakaotihia te rerenga e whai ake nei: I te 7 o Pipiri 2019, i tohua a Ivanušec ki te roopu 23-tangata a Nenad Gračan mo te UEFA Under-21 Euro 2019. I puta ia i nga whakataetae e rua, i te hinganga 1<unk>0 ki France me te 3<unk>3 toenga ki Ingarangi, i te wa i mutu a Croatia i te whakamutunga o to raatau roopu. I te tukinga whakamutunga, i whakawhiwhia e ia a Josip Brekalo ki te awhina mo te whainga tuatoru o Croatia. I te 9 o Poutu-te-rangi 2021, i tohua ano ia mo te UEFA Under-21 Euro 2021, i whakaingoatia ki roto i te roopu 23-tangata a Igor Bišćan mo te roopu roopu o te whakataetae. I puta ia hei tetahi o nga kaitakaro pai rawa atu o te kapa, i te wa i eke ai a Croatia ki te hauwhā-whawhā. I roto i te kēmu rōpū whakamutunga, te 2<unk>1 ngaro ki Ingarangi i runga i 31 Maehe, Ivanušec i hanga i tona 27 putanga mo te kapa, riro tona kaitākaro kapi tino i roto i te hītori. I te 17 o Mei, i whakaingoatia ia ki roto i te roopu 23-tangata a Bišćan mo te waahanga patu o te whakataetae, me te roopu 26-tangata a Zlatko Dalić mo te whakataetae o te whakataetae o te whakataetae o te whakataetae o te whakataetae o te whakataetae.
UEFA Euro 2020. Ko te mea nui. I te 7 o Hune, i whakauruhia ia ki te UEFA Under-21 Euro 2021 Squad of the Tournament.