Unplayable serve in tennis
I believe the answer is:
ace
(Other definitions for ace that I've seen before include "Hole in one; card" , "'wicked'!" , "One in a suit" , "single > club > champion" , "Unreturnable serve" .)
I believe the answer is:
ace
(Other definitions for ace that I've seen before include "Hole in one; card" , "'wicked'!" , "One in a suit" , "single > club > champion" , "Unreturnable serve" .)