Manchester United will play Copenhagen or Istanbul Basaksehir in the Europa League quarter-finals if they overcome Austrian side LASK.
UEFA president Aleksander Ceferin admits European football's governing body is set to lose "millions and millions of dollars" because of the coronavirus pandemic.
European leagues have been urged not to "abandon" their seasons, after officials revealed they are working towards plans to resume games from July.
UEFA has confirmed its club competitions remain suspended until further notice, while all of June's international matches have been postponed.
UEFA has postponed the Champions League, Europa League and Women's Champions League finals with no new dates arranged.