[1] She won the women's singles title at the 2022 European Junior Badminton Championships in Belgrade.

In 2022, Kaloyana participated in the 2022 European Junior Badminton Championships and beat Lisa Curtin in the women's singles final 14–21, 21–17, 21–16 to win gold.

She then won the Hungarian International by defeating Frederikke Lund in the final.

[2] In 2023, Kaloyana reached the final of the Dutch International but lost to Huang Yu-hsun.

[5] In her second match, she defeated Qi Xuefei 21–18, 21–18 but did not advance to the knockout stage.