I think this will be a classic thriller, both are really pretty much playing amazing, have come back victories in the brink of a loss. Hard to see who will win that's why I go with the over here. There could be sets wherein there will be a tie-break so that's already 13 totals.
Lost my bet on Delbonis vs Busta. Yes, I have predicted that there will be a tie break and it did happen, but in the second set, it was only 6-3 so totals is just 22.
For the finals, I think I will go with Krajinovic ML here, he is really playing high level tennis and full of confidence after he beat Tsitsipas. He is the underdog so a money line will be a good bet.