Immediately after the start of the European OK and OK-Junior Championship in Portimão, the Birel ART Racing team headed to Spain to participate in the second round of the Champions of the Future Euro Series in Zuera. The Birel ART / TM Racing packages from the Red Army showed an excellent level of performance.

Champions of the Future, held from 29th April to 2nd May 2021, brought some notable changes to the competition two weeks before the start of the FIA Karting European Championship - OK and Junior.