Crossword Genius

Unreturnable tennis serve (3)

Ross

I believe the answer is:

ace

(Other definitions for ace that I've seen before include "rare driving result?" , "SERVE?] that's non-returnable" , "Test pilot'" , "fighter pilot" , "Playing card with single spot" .)

I've seen this clue in the USA Today.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.