String Match · Coach Shelby
Coach Shelby's player-first guide

How to Choose Tennis Strings for Your Game

The right starting point is the way you want your racquet to feel, the setup you use now, and the tradeoffs you are willing to accept.

Try the 8-question string finder ↗

String choice can feel like a maze of materials, gauges, and tension numbers. You do not need to know every product name to make a sensible next choice. Start by identifying what you want to change, then keep a record so you can tell whether the new setup helped.

Quick answer: Write down your current string, gauge, tension, and restring date if you can. Choose one priority—such as a softer feel, more durability, or a livelier response—then change one variable at a time with your stringer.

1. Decide what you want to feel

Think about the problem you are trying to solve. Does the stringbed feel too firm? Are you breaking strings sooner than you would like? Do your shots launch higher or lower than you expect? Are you looking for a setup that feels more comfortable or easier to play with? A clear goal gives you a better comparison than choosing a string because a professional uses it.

Before replacing anything, record the racquet model, string model, gauge, tension, and approximate playing hours. If you do not know a detail, ask the person who strung your racquet or check a receipt. Your current setup is the baseline for any comparison.

2. Compare string materials as tradeoffs

Synthetic gut

A common, generally affordable starting point with a balanced response. It can suit players who want a straightforward setup without chasing a highly specialized feel.

Multifilament

Made from many fibers and often chosen for a softer, more elastic feel. Models differ, so compare the exact string and discuss comfort goals with your stringer.

Polyester

Often selected by players seeking a firmer, lower-powered response. It is not automatically the right choice for every player, and a full bed can feel demanding. Ask a qualified stringer to help choose a suitable setup.

Natural gut and hybrids

Natural gut is known for its lively feel and higher price. A hybrid combines two string types, often putting one material in the mains and another in the crosses. Hybrids add options, but also make it harder to isolate what caused a change.

These are broad tendencies, not guarantees. Construction and model matter, and the racquet, tension, gauge, technique, and playing conditions all contribute to the result.

3. Understand gauge and tension

Gauge is string thickness

In the common U.S. gauge system, a higher number usually means a thinner string. Brand labels can differ, so check the diameter in millimeters when comparing exact versions. Within the same string model, thicker versions are generally more durable; thinner versions may feel different, but thinner does not automatically mean better.

Tension is the pull used during stringing

Tension is separate from gauge. A package that says “17 gauge at 50 pounds” describes both thickness and the stringing reference. Use the tension range printed on your racquet as a starting reference and ask your stringer how a change may affect the feel of your particular racquet and string.

There is no single tension that is best for every player. Avoid making a large tension change at the same time as switching material or gauge; if you change several things together, it becomes difficult to know which one mattered.

4. Choose a simple first experiment

  1. Pick one goal: comfort, a more controlled response, easier depth, or fewer breakages.
  2. Keep the racquet and most of the setup the same where practical.
  3. Ask your stringer to explain one proposed change and its likely tradeoff.
  4. Record the model, gauge, tension, date, and how the racquet feels after a few sessions.
  5. Compare the result with your old setup before making another change.

If you have ongoing arm pain, do not treat a string recommendation as medical advice. Pause play as appropriate and speak with a qualified health professional; discuss your equipment with your coach or stringer as a separate step.

Common questions about choosing tennis strings

Should I choose a string before I choose tension?

Usually, decide what problem you want to solve first. Then discuss a sensible tension within your racquet's recommended range. Material and tension interact, so a stringer can help you consider them together.

Does a thinner string always give more spin?

No single gauge guarantees more spin. Gauge is one part of a stringbed's response; string shape, pattern, material, tension, technique, and contact all matter.

How do I know when to restring?

Track playing hours, the date, breakage, and whether the response has changed. Strings can feel different before they break, and the useful interval varies by player and setup.

For a broader explanation of materials, gauge, and tension, see Tennis Warehouse's string guide. Product links on this site are ordinary links; affiliate tracking is not active.

Written for tennis players who want a clear starting point. For the racquet side of the decision, read our guide to choosing a tennis racquet. Or return to String Match tools.