<prompt> Nyorai mberi kweiyi ndima - Berni akatumidzwa kuSwitzerland U20 national team ye2018 World Junior Championships  <response>: . Akatamba mitambo mishanu, asina kuwana poindi. Akaita zvekare timu ye2019 World Junior Championships, achitamba mitambo yese minomwe 2 inobatsira kubatsira Switzerland kupedzisa 4th mumutambo. Berni akatumidzwa kuchikwata che2020 World Junior Championships, mwaka wake wekupedzisira wekukodzera. 