Similarly one may ask, how do you train for tennis serve?
Keeping this in view, what is the easiest serve in tennis?
Use the Middle of the Net
The middle of the net is its lowest point, so it’s easier to execute a flat serve at that point of the net on either side.
Why tennis serve is so difficult?
Since we don’t swing toward the target with our arm, the “new” serve technique then uses a different set of movements to generate power, and the key movement is pronation. … And after a few thousand serves like that, the incorrect movement would be ingrained in my brain, and it would be very hard to change.