John Isner's star has risen lately (finally catching up with the rest of him) and may be rising still. These photos of John Isner hitting forehands, backhands, serves, and a volley illustrate explanations of his distinctive game.

Find answers to the key questions you should consider when buying a new racquet or assessing the suitability of your old one. Included are explanations of common terms used in racquet reviews and sales literature.

Which sisters on the WTA Tour both improved their rankings between last week and this week, one by one spot, the other by three?

While the ranking order in the ATP top ten remained the same, which player in that group lost the most ranking points between last week and this week?

Try to weave your way through ten doubles strategy and tactics questions with as few steps as possible. Knowing where to be and what to do is more crucial in doubles than in singles.