Dastich received her first ISU Junior Grand Prix (JGP) assignments in the 2014–2015 season; she placed 8th in France and 7th in Germany.

In January 2015, she won the German national junior title and the silver medal at the European Youth Olympic Festival in Dornbirn, Austria.

[2] Making her senior international debut, Dastich finished 14th at the Nebelhorn Trophy, an ISU Challenger Series event in September 2015.

[3] In December 2016, Dastich received the senior silver medal at the German Championships, having finished second to Nathalie Weinzierl.

[4][5] Dastich was slated to make her return to competition at the 2020 CS Nebelhorn Trophy but withdrew prior to the event.