Alcaraz's incredible half volley against Cilic

Spaniard leaves viewers stunned with extraordinary winner at the US Open (Source: US Open Tennis)

Video transcript

- And then how low that fall is.

- But again, he had to-- he came in from very far back and hit it with pace. So the best you can do is get to the service line. I'm sure you can count on that type of half-volley.