Atletico Madrid president Enrique Cerezo believes his "very special" team can win the Champions League without fans.
Atletico dethroned titleholders Liverpool in the last 16 before the Champions League was suspended due to the coronavirus pandemic in March.
The Champions League could resume in August, with the Bundesliga back underway as La Liga, the Premier League and Serie A prepare to return this month.
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Atletico lost two Champions League finals under Diego Simeone in 2014 and 2016, but Cerezo told Movistar: "We are very special, we can win a Champions League without an audience.