The other condition is where a skilled player strikes the impacting ball while the racket face is being moved upwards to impart top spin to the ball .
It lands in the opponent 's court with a forward bounding motion which is difficult to return .
The other condition is where a skilled player strikes the impacting ball while the racket face is being moved upwards to impart top spin to the ball so that it lands in the opponent 's court with a forward bounding motion which is difficult to return .