8. A GOOD RETURN
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8.1 The ball, having been served or returned in play, shall be struck so
that it passes directly over or around the net and its supports and touches
the opponent's court, except that:
8.1.1 If the ball, having been served or returned in play, returns with
its own impetus over the net, it may be struck so that it touches directly
the opponent's court.
8.1.2 If the ball, in passing over or around the net, touches the net or
its supports, it shall be considered to have passed directly.