Club world cup is a tournament which is played annually, the winner of each continent's major competition is to compete in the Champions of champions cup.
The winners of the tournament in Asian AFC Champions league, African CAF champions league, North American CONCACAF champions league, South American Copa America champions league, Oceanian OFC champions league and European Uafa champions league is to take part in the competition.
Teams that have qualified for the 2021 club world cup
CHELSEA FC
https://support.google.com/legal/answer/3463239?hl=en
AL AHLY FC
https://en.wikipedia.org/wiki/Al_Ahly_SC
Continent's who's club are not here haven't played their champions league.