Tuhia he haere tonu mo tenei whitianga - I takaro a Žižić me nga roopu motu rangatahi o Croatia. Ki nga roopu a-motu o Croatia, i purei ia i te 2013 FIBA Europe Under-16 Championship, te 2014 FIBA Europe Under-18 Championship, i reira i wini ai ia i te tohu parahi, me te 2015 FIBA Under-19 World Championship
, i riro ai i a ia he mētara hiriwa.