Nyorai kuenderera mberi kweiyi ndima - Siegenthaler akakwikwidza neChikwata cheSwitzerland ku2013, 2014 uye 2015 IIHF World U18 Championships. Kutamba kwake kwakatanhamara kwakazivikanwa paakatumidzwa zita ku2015 U18 WJC All-Star Team. Akasarudzwawo kuti atore chikamu mu2014 Ivan Hlinka Memorial Tournament
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