String Guages
Tennis string gauges are simply the thickness of the string. There are many different brands, but generally 3 gauges, 15, 16, and 17. 15 gauge string is great for beginners, and is thicker and more durable. 17 gauge is a great performance string, is less durable, but allows for a better feel.

How often should I restring?
Restringing throughout the year should occur as frequently as you play tennis each week, or at least once a year; for example, if you play tennis three times a week, you should restring your racket three times a year. If it's not every week pay a bit more for high quality tennis string for yor racquet. It will last longer.

Restringing Your Racquet
Tennis String does make a difference in the performance of your racquet. For example, if you play 3 times a week, you should restring your racquet about 3 times a year. Additionally, you need to determine what kind of string you prefer. Thicker string gauge gives control and longevity, while a thinner string gauge provides power, but tends to break more frequently.

String Tension Effects
Tennis string towards the lower end of the recommended tension range for your racquet. A looser string face will absorb more of the ball's impact. A looser face will also add depth to shots without a full-powered swing.

Solid Core Strings
Solid core tennis racket strings are more durable than multifilament strings with kevlar string technology being the most durable.

Multifilament Strings
Multifilament strings are more elastic than solid core strings. Multifilament tennis strings play better than solid core strings. They do lose tension more quickly than strings with a center core.

Textured Strings
Textured tennis strings tend to produce more spin.

Longer String Length
A longer tennis racquet string length (or string plane area) produces more power.

Softer Strings
Softer tennis strings, or strings with a softer coating, tend to vibrate less.

High Tension Not as Sweet
Basically, higher tensions decrease the size of the sweetspot and reduce the power (thus increasing control a bit). The higher the tension, the more boardlike the feel. Some people like this. Desired tension is pretty much a matter of personal taste, and as you improve the level of your game, you are apt to notice small fluctuations in tennis string racquet tensions.

More Power
Thinner tennis string generates more power (Wilson's research for their Sweetspot string disputes this theory).

Basic Facts
It is recommended by the USRSA that widebody frames use multifilament tennis strings (i.e. "soft" tennis strings) or gut to compensate for some of the stiff attributes hence better playability.

Shock Absorbers
You can take some of the shock out of your racket. To avoid vibrations try using a shock absorber on the tennis strings.

Tennis tips by: LifeTips