Designed for competitive aggressive players seeking a combination of speed power and excellent shot precision the yonex vcore duel g 97 tennis racket is a weapon of choice of a swiss professional tennis player stan wawrinka and offers a mid sized 97in2 6258cm2 head for a great level of control featuring ball crushing technologies this spin friendly and comfortably crisp racket takes your game to a whole new level and provides increased face stability and extra vibration dampening thanks