There ISN'T anything called a "backhand serve" in tennis.
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.
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.