In 2017, she competed in the women's 1 metre springboard event at the European Diving Championships held in Kyiv, Ukraine.

In 2019, she won the gold medal in the women's 1 metre springboard event at the European Diving Championships held in Kyiv, Ukraine.

[1][2] Koroleva and Uliana Kliueva won the gold medal in the women's 3 metre synchro springboard event.

[1][3] In 2021, Koroleva and Ilia Molchanov won the bronze medal in the mixed 3 m springboard synchro event at the 2020 European Aquatics Championships held in Budapest, Hungary.

[4] Koroleva and Uliana Kliueva won the bronze medal in the women's 3 m synchro springboard event.