In Havířov, junior boys and girls played for championship titles for 2020. Due to the strict hygienic conditions, only fifty-five boys and forty girls took part. Championships were played on two different days. Saturday there was a competition in junior boys singles, on Sunday then in junior girls singles. The national champions became Šimon Bělík from TTC Ostrava 2016, who defeated František Onderka from TJ Ostrava KST in the final, and the Klára Hrabicová from SKST Havířov . In the final, she defeated her team coleagues Nela Hanaková.