Originally Posted by Bowtiesarecool
It is my understanding that the kick serve bounces away as a result of how the ball deforms when hitting the ground at such a steep angle with heavy topspin. I have seen computer simulations of this effect, but can't remember where to find them.
The gyrospin only causes the ball to jump to the right. For explanation see SystemicAnomaly posts in thread http://tt.tennis-warehouse.com/showthread.php?t=405281
Anatoly Antipin - one of the most delicate tennis players in the world.