<prompt> Pedzisa mutsara unotevera: Hollenstein akatumidzwa kuSwitzerland U20 national team nokuda kwe  <response>: 2019 World Junior Championships muCanada. Akatungamirira Switzerland kusvika kunzvimbo yechina, ichidonha kuFinland mumasemifainari. Hollenstein aive zvakare chikamu chechikwata che2020 World Junior Championships muCzech Republic. 