Whakaotihia te rerenga e whai ake nei: Ko Stamatis he mema o nga kapa motu rangatahi o Kariki. Ki nga roopu motu rangatahi o Kariki, i purei ia i etahi o nga whakataetae e whai ake nei: te 2011 FIBA Europe Under-16 Championship, te 2012 FIBA Europe Under-16 Championship, te 2013 FIBA Europe Under-18 Championship, te 2014 FIBA Europe Under-18 Championship. I tākaro hoki ia i te
Ko te 2015 FIBA Under-19 World Cup, te 2015 FIBA Europe Under-20 Championship, me te wehenga tuarua 2016 FIBA Europe Under-20 Championship Division B, i riro ai i a ia he mētara parahi.