Anderson-Izner 1@1, 91, Djoković-Nadal 2@1.87 Tennis prediction

Nadal made it against most difficult to beat on a Tour,Del Potro, plus his lefthanded game is not easy to adopt to. PLUS NADAL IS A MONSTER !!!
The previous opponents Nishicori and Khachanov are nothing like Nadal, not the same pace of a game , no fear to face in front of you, not lefthanders.
And the main reason is that Djokovic never showed consistancy throughtout last two seasons and this is the farest he came eversince US Open 2016.
And Anderson, why? I hope that this bravest possible game as it was against Fedex is not all from this guy at Wimbledom 2018, moreover I believe he might create an upset .