Assertion: flat serve | /r/HasProperty | axe
Facets:
Source sentences:
text: A flat serve is hit with a Continental grip (holding the racket as if it were an axe) and a swing path directly through the ball, which causes the ball to cut quickly through the air without spinning.
text: A flat serve is hit with either a Continental grip (holding the racket as if it were an axe), an Eastern backhand grip, or somewhere in between.