Pedzisa mutsara unotevera: Mushure mekumiririra Czech Republic muzvikamu zvakasiyana zvevechidiki, Souček akaita kutanga kwake kwechikwata chevakuru musi wa15 Mbudzi 2016 mumutambo wehushamwari neDenmark. Akaita makwikwi ake ekutanga musi wa10 Chikumi 2017, muCzech Republic 1<unk>1 kure kure naNorway mumutambo we2018 World Cup. Souček akaonekwa mumitambo mitatu yese yeCzech Republic Under-21 timu mu
2017 UEFA Under-21 Championship.