Kristina Prokopjewa competed internationally for the first time on July 7th and 8th, 2018 in Villach in the FIS Cup , where she finished 45th twice. After further FIS Cup competitions, she made her debut two months later on September 15 and 16, 2018 at Midtstuenbakken in Oslo in the Continental Cup , where she reached 21st and 29th place and thus scored her first Continental Cup points .
In the 2019/20 season, Prokopyeva achieved her best Continental Cup placements to date and her first podium in the 2019/20 season with a fifth and a second place in the first Continental Cup competition of summer 2019 on July 13 and 14, 2019 in Shchuchinsk, Kazakhstan Continental Cup.