This line is wrong. Analysts all over Djokovic's nuts. He hasn't faced anyone this entire tournament. His movement has not been tested. His endurance hasn't. Once he starts going down, I can see him complaining about his hamstring and his breathing. Tsitsipas has too much power and is in too good of form right now to be given these odds. He wins this match, under these circumstances, 6 times out of 10 in my opinion.
