Product 28cm Nike Tennis Shoes ZOOM GP Challenge Pro FB3145 Condition New, Unused Nike NIKE GP Challenge Pro Men's Tennis Shoes Light Bone/Summit White/White/Binary Blue (002) FB3145 Game over. Set over. Match over. With the new GP Challenge Pro, you're sure to be the winner. Designed for players who run back and forth on the baseline and dash to the net. Delivers the speed and stability you need to support you through the end of the game.