It can be a very deceptive serve as the ball will swing from right to left in the air (for a right hander) but as it bounces the spin will bite into the court and it will kick high and to the right.

Once you have started to master the basic serve technique you will be ready to move on to varying the serve with spin. Spin serves are most commonly used as second serves as they're easier to control ...

stanford.edu Purpose The tennis serve is commonly associated with musculoskeletal injury. Advanced players are able to hit multiple serve types with different types of spin. No investigation has ...