Cika wannan jumla: Ballo ya yi gasa a gasar
2019 FIBA Under-19 gasar cin kofin duniya a Heraklion, Girka, ba ta buga wasanni biyu na farko ba saboda matsalolin biza. A cikin wasanni biyar, ya samu maki 17.6, 11.8 da kuma 3.8 a kowane wasa, wanda ya jagoranci Mali zuwa lambar azurfa, mafi kyawun wasan da wata tawagar Afirka ta yi a gasar kwallon kwando ta duniya. An kira Ballo zuwa All-Star Five tare da abokin wasan Siriman Kanouté.