Whether you're a beginner looking to improve your backhand or a seasoned player working on your serve, a tennis ball machine ...

How much room do you have for a tennis ball machine? Tennis ball machines come in many sizes. You will need to determine how much room you will need for placing, transporting and storing your tennis ...

Forbes contributors publish independent expert analyses and insights. Tim Newcomb covers tennis gear/business, stadiums and shoe tech. Thirty-seven square inches isn't a generous amount of string ...