[3] In May 2018, she announced on her personal Twitter account that she was joining the Czech Republic team for the 2018–19 season.

[4] Fernstädt started competing on the Europe Cup in 2013–14, where she quickly established herself with a string of five podium finishes, including three golds.

She finished fifth in the 2015 junior world championships at Altenberg, and earned bronze the following year in Winterberg.

[3] Fernstädt's first season on the World Cup was 2016–17 when her best finish was a bronze at Königssee; that season, the world championships were held on the same Königssee track, and Fernstädt finished fourth but earned a bronze as part of an international squad in the mixed team competition.

She took bronze in the 2018 race at Altenberg,[1] and won the 2018 Junior World Championships by 0.81 seconds, ahead of 2017 champion Yulia Kanakina.