Whakaotihia te rerenga e whai ake nei: I whakaingoatia a Berni ki te kapa 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 7 katoa (2 awhina) hei awhina i a Switzerland ki te whakaoti i te 4 o nga whakataetae. I whakaingoatia a Berni ki te kapa mo te 2020 World Junior Championships, tana wa whakamutunga mo te tohu.