This greatly expanded profile of Roger Federer now includes a biography and career history. Basic facts about Roger and an analysis of his greatest strengths and weaknesses have also been updated.

Photos illustrate this step-by-step lesson on how to hit the one-handed backhand topspin lob. This shot is relatively difficult to execute, but it's usually a clean winner once it clears an opponent at the net, and it's handy in baseline rallies, too.

Contrary to a popular misconception, all serves should not be met at the same point of contact. Photos illustrate this tour of the ideal points of contact for the four most common spin serves and one exotic one.

If you're thinking about buying some new tennis gear soon, here's a fun way to test your knowledge of a few basics concerning racquets, strings, and balls. This quiz uses a game-show format and explains each answer.

Improve your mental and physical service return techniques. Answers include universal techniques for all returns and specific adjustments for returning hard, kick, and slice serves

Servers at the beginning and intermediate levels should find this step-by-step lesson helpful either to learn the serve for the first time or to improve technique on an existing serve. This is essentially the same stroke as an advanced serve, but without intentional spin.

Victoria Azarenka is one of the hardest hitters and most promising young players on the women's tour. Here, in outstanding photos, is how she delivers all of that power.

Contemporary forehand grips have changed tennis dramatically. The power and topspin you see now would not be possible with the Continental grip that was once the standard.

Test your knowledge of forehands and backhands. Questions explore the relationships between swing paths, grips, spins, and an assortment of other factors.

Most players have a pretty good sense of what to do on high and very low volleys; the ones in between often draw the most errors. Stop-action photos illustrate this step-by-step lesson on how to hit the moderately low forehand volley.