What separates the world's #1 tennis player from the #250 one? Does the #1 player just have slightly less unforced errors, slightly faster serve, etc., that accumulate to make him/her more likely
Teloon Tennis Rackets for Adults 100% Full Carbon,27 Inch Adult Racquet for Men and Women College Students Beginner Professional Tennis Racket (Black-Gold)
Game, Set and Match: Secret Weapons of the World's Top Tennis Players: Hodgkinson, Mark: 9781472922625: Amazon.com: Books