Timo Werner will not play in the rescheduled Champions League matches for RB Leipzig this August ahead of his expected move to Chelsea.
Lisbon is set to host the quarter-finals, semi-finals and final of the Champions League between August 12-23.
Germany international Werner is set to leave Leipzig and join Chelsea this summer, and Werner is set to be officially become a Chelsea player in the middle of July before taking three or four weeks off ahead of the 2020-21 season.
Werner – who has scored 25 Bundesliga goals so far this campaign.
The UEFA Executive Committee will hold a meeting on Wednesday, when they are expected to approve a condensed new Champions League tournament played across 12 days.
Chelsea trail Bundesliga leaders Bayern Munich 3-0 from the first leg of their last-16 meeting ahead of the return fixture.