Tuhia he haere tonu mo tenei whitianga - I whakaingoatia a Berni ki te roopu motu U20 o Switzerland mo te 2018 World Junior Championships. E rima ngā kēmu i purei ia, kāore he piro. I uru anō ia ki te kapa mō te 2019 World Junior Championships
, e takaro ana i nga keemu e 7 (2 awhina) hei awhina i a Switzerland ki te whakaoti i te tuawha o te whakataetae. I whakaingoatia a Berni ki te kapa mo te 2020 World Junior Championships, tana wa whakamutunga mo te tohu.