As long as Novak Djokovic is playing he will have two face Alcaraz as his biggest opponent in my opinion....
I personally have my doubts about it and it's also the reason why I bet alcaraz during the first set at Wimbledon final in which he was losing...
Djokovic is a player "of a certain age". He is now at the end of his sporting career cycle.
How many time will be able to fight at this level? I don't think more than a couple of years....
Like Nadal. He is a strong player, but due injury and so on he is clearly out of games since a while...