Kammala jumla mai zuwa: A lokacin rani na 2015, Charalampopoulos ya ji rauni a ƙafar dama a wasan sada zumunci da Amurka, kuma likitoci sun ce da farko zai yi wuya a gare shi ya yi wasa a gasar
2015 FIBA Under-19 gasar cin kofin duniya. Duk da rauni, Charalampopoulos ya sami damar taka leda a gasar, kuma ya ci maki 21 a kan Amurka a wasan kusa da na karshe na gasar. Girka ta yi rashin nasara a wasan kusa da na karshe da Amurka, sannan Charalampopoulos ya sake samun rauni a wasan na uku, da Turkiyya, wanda Girka ta rasa, yayin da suka gama a matsayi na hudu.