In 2020, at the European Wrestling Championships held in Rome, Italy, she won the silver medal in the women's 55 kg event.

Vynnyk won one of the bronze medals in her event at the 2021 European U23 Wrestling Championship held in Skopje, North Macedonia.

[4] In October 2021, Vynnyk lost her bronze medal match in the women's 57 kg event at the World Wrestling Championships in Oslo, Norway.

[5][6] A month later, at the 2021 U23 World Wrestling Championships held in Belgrade, Serbia, she won the silver medal in the 59 kg event.

[10] A month later, she won one of the bronze medals in 59 kg event at the 2022 U23 World Wrestling Championships held in Pontevedra, Spain.