DSH
G.O.A.T.
Because until that moment, Federer had more energy reserves than his rival almost 6 years younger, and he should have ended up with one of the two match points he missed.And besides, Federer had nothing left physically by the final set tiebreak. It's Djokovic who outlasted him.
Even he had a couple more chances to break Joker's serve when the result was 11-11 in the fifth set, but he didn't make it.
In the final tie-break it was evident that more than a physical advantage, what the Serbian had in his favor was that after reaching that moment, he had already won the mental battle.