Tennis racquet and string buyers guides break down specs, price tiers, and performance tradeoffs so you find gear that matches your play style.
A salesperson once told one of our editors that the racquet in his hand was "the most powerful frame on the market." The next salesperson, a week later, said the same thing about a different racquet.
The "official" color of a standard tennis ball is not the one most people would name on the spot. The International Tennis Federation calls it yellow.
It is tempting to read a ball machine price list as a quality ladder — that the $2,800 machine simply does everything the $700 machine does, but more.