If the player is unable to hit the serve then it is an ace. But if the player hits the ball but does not return it, then it is a forced error.
There ISN'T anything called a "backhand serve" in tennis.
A fault.
A foul.
a serve
The baseline
An ace
It is called a service ace!
An ace in volleyball is when you serve the ball and it hits the ground on the other side with out any one touching it.
The duration of The Unreturned is 1.25 hours.
Match point
The Unreturned was created on 2010-04-25.
Because you hit the ball with some kind of racket and that is why you call it a serve.