Mezue ahịrịokwu na-esonụ: Heo nọchitere anya South Korea na 2012 FIBA Under-17 World Championship, ebe ọ na-agbatị 17.7 isi, 2 rebounds na 2.9 enyere aka. Heo sonyekwara na
2013 FIBA Under-19 World Championship, ebe o mere nkezi 12.8 isi, 3.4 rebounds na 3.2 enyere aka.