OTOH, while I concede Zverev can serve well at his best , let's face it, his serve is one of the most unpredictable facets of his game, and it can get downright ugly in a hurry with a flurry of DF's at the drop of a hat.
Add that every other aspect of the game Alcaraz at 20 seems to play better, is a half step faster and smothers players with his aggressive style. Zverev has not played this more HC muscular game of Alcaraz, who will not let him settle into a groove of baseline grinding that the more passive Sinner allowed.
Zverev will have a hard time recovering physically, and he needs to be in top form to counter Alcaraz attacking style, and from this Sinner match that was so draining I'm expecting Alcaraz to greet Zverev with a basket of drop shots to get the Gernan's leg churning early on. .