In 2020, Rizhko won the gold medal in the women's 65 kg event at the Individual Wrestling World Cup held in Belgrade, Serbia.

[4] In April 2021, Rizhko won the silver medal in the 65 kg event at the European Wrestling Championships held in Warsaw, Poland.

[7] In October 2021, Rizhko competed in the women's 65 kg event at the World Wrestling Championships held in Oslo, Norway where she was eliminated in her first match by Koumba Larroque of France.

[9][10] A few months later, she won the gold medal in her event at the Matteo Pellicone Ranking Series 2022 held in Rome, Italy.

[15] In September 2023, Rizhko competed in the women's 68 kg event at the 2023 World Wrestling Championships held in Belgrade, Serbia.