leah friedman, usta teaching pro: "you can set it up anywhere. a playground, in your driveway. and it takes one or two minutes." united states tennis association teaching pro leah friedman and her young students set it up in the wgn parking lot. "you can use a net or caution tape." "you dont need a tennis club anymore. you just need a space. you need to be creative and have fun with it." chalk marks the court, then its game on. "the courts are smaller but proportioned to age and height." then it is a game on. "alright guys you ready to do some tennis today?" brennan nelson, youth tennis player: "i like getting outside and getting exercise and finding new friends." at just 8-years-old, brennan nelson already gets the point of the game. he picked up the sport at a usta-sponsored junior camp held in his neighborhood this summer. "ill be playing it for a while." "3, 2, 1 go! yes!" "everything is partner based." "they have to work with their partner to meet their goal." and the goals of the game have changed, especially when it comes to kids. "its not