Kammala wannan jumla: Yeo ya lashe lambar zinare a kan vault a gasar cin kofin duniya ta Melbourne. Wannan shi ne karo na farko da 'yar wasan motsa jiki ta Koriya ta lashe lambar zinare a gasar cin kofin duniya ta FIG. A gasar cin kofin Koriya ta 2019, Yeo ta zama mace ta farko da ta sauka a kan tsalle-tsalle mai sau biyu. Ta ce game da sabon vault, "Na ji tsoro, amma da zarar na fara mayar da hankali kan gasar, tsorata ta ɓace. Na yi farin ciki sosai da na yi hakan. Ina so in sauko da sabon vault ba tare da la'akari da matsayi na karshe a yau ba, kuma komai ya tafi yadda nake so. " Daga nan sai aka sanya wa vault din sunanta kuma aka kara wa Code of Points. A cikin
Gasar cin kofin duniya a Stuttgart, Yeo ya cancanci zuwa wasan karshe na vault a matsayi na biyar tare da ci 14.766. Koyaya, ta gama ƙarshe a wasan karshe bayan faɗuwa da fita daga iyaka yayin ƙoƙarin tsalle-tsalle mai sau biyu. Saboda ta cancanci shiga wasan karshe na wasan tsalle-tsalle, Yeo ta cancanci shiga gasar Olympics ta 2020. Bayan Gasar Cin Kofin Duniya, ta yi gasa a Kofin Switzerland tare da Lee Jun-ho, kuma sun gama na bakwai a gasar ƙungiya.