Cristo was selected to represent his country in the Eurovision Song Contest 2020 after winning the national round. He was to perform in Rotterdam, the Netherlands, with the song "Kemama". However, the event has been cancelled as a result of the COVID-19 pandemic. In May 2020, it was confirmed that Cristo would sing for the Czech Republic in the 2021 event with a new song. His entry for 2021, "Omaga", was released on 16 February 2021. He sang in the second semifinal of the contest, but did not qualify for the final, finishing 15th with 23 points.