The German referee Tobias Stieler will officiate Atalanta-Real Madrid, the first leg of the 2020-2021 UEFA Champions League Round of 16. His assistants will be: Christian Gittelmann (GER) and Eduard Beitinger (GER), fourth official: Sandro Schärer (GER), V.A.R. Bastian Dankert (GER), A.V.A.R. Harm Osmers (GER).
