Kammala jumla mai zuwa: N'Doye ya lashe lambar zinare tare da Faransa a 2014 FIBA Turai Under-16 Championship a Latvia, yana da maki 5.8, 3.4 rebounds da 2.3 taimaka a kowane wasa. Ya sake lashe lambar zinare tare da Faransa a gasar cin kofin Turai ta FIBA U18 ta 2016 a Samsun, Turkiyya. N'Doye ya kuma yi takara a gasar
2017 FIBA Under-19 World Cup a Alkahira da 2018 FIBA U20 European Championship a Chemnitz, Jamus, amma tawagarsa ta kasa samun lambar yabo.