A flat smash in padel is an essential shot for several reasons. Firstly, it serves as a strong offensive weapon. When executed well, a flat smash can win you the point outright or force your opponent to make a weak return. This shot is known for its speed and accuracy, unlike other smashes that rely on spin. The flat smash can surprise opponents and reduce their reaction time.
Additionally, consistently performing powerful flat smashes can keep your opponents on the defensive, making it harder for them to launch their own attacks. Mastering this shot provides a significant tactical advantage in matches, enhancing your overall attacking game.
Here is an interesting video on how to execute it.