Where do most players block best? On the backhand. Where do most players attack the most? To the opponent’s backhand. This never made sense to me.
When attacking there are three places you should normally go for: the wide forehand, the middle (the opponent’s crossover point between forehand and backhand, usually around the elbow), and the wide backhand. Most beginning and intermediate players probably attack to the backhand twice as often as to the forehand, and almost never to the middle. We’ll call it the 1-0-2 rule, i.e. they proportionatly go once to the forehand, zero times to the middle, and twice to the backhand.