Whakaotihia te rerenga e whai ake nei: I muri i te tohu mo te Czech Republic i roto i nga waahanga taiohi maha, i timata a Souček mo te taha matua i te 15 o Noema 2016 i roto i te whakataetae hoa ki a Denmark. I tiimata tana whakataetae whakataetae i te 10 o Pipiri 2017, i te whakataetae 1 × 1 o Czech Republic ki a Norway i te whakataetae tohu mo te Ipu o te Ao 2018. I puta a Souček i roto i nga tukinga e toru o te kapa Czech Republic i raro i te 21 tau i roto i te
Ko te 2017 UEFA Under-21 Championship.