Kammala wannan jumla: An kira Berni zuwa tawagar 'yan wasan Switzerland ta U20 don
Gasar Zakarun Duniya ta 2018. Ya buga wasanni 5 ba tare da ya ci kwallo ba. Ya sake shiga tawagar don Gasar Zakarun Duniya ta 2019, yana wasa duka wasanni 7 (2 yana taimakawa) don taimakawa Switzerland ta kammala na 4 a gasar. An zabi Berni a cikin tawagar don Gasar Zakarun Duniya ta 2020, kakar wasan sa ta ƙarshe.