Hase/Seegert began the season at the 2021 CS Nebelhorn Trophy, where they placed second in the short program 0.20 points behind Georgians Safina/Berulava. They were second in the free skate as well, behind Spaniards Barquero/Zandron, but first overall, taking their first Challenger gold. Hase commented on her return to the ice, saying "we did not come here to win, we just were happy to be able to skate again." At their second Challenger event of the season, the 2021 CS Finlandia Trophy, they placed seventh.
