How to Evaluate the Performance of Tennis Strings

Updated: Aug 25

GOSEN is a manufacturer of "Strings," not just "Tennis and Badminton Strings"

GOSEN developed the world's first synthetic string in 1954 and has released numerous products since then. As a result, we now have the largest selection of tennis strings in the world. However, tennis and badminton strings are only a small part of the "Strings" that GOSEN manufactures. GOSEN "Strings" are used in various applications and industries, including automotive, electrical, medical, and industrial. Because most of them are OEM products, the GOSEN brand name is not specified, but the sewing thread for the leather seats and airbags in your car, or the suture thread for your wisdom tooth surgery, may be a product of GOSEN.

What supports GOSEN's manufacturing is its close relationship with our customers. To realize the products requested by our customers, we fully use the vast amount of know-how we have cultivated and add new ideas to create prototypes. Through repeated meetings and improvements to the prototype without compromising until a product that satisfies the customer's satisfaction is completed.









How to Evaluate Tennis Strings

This is a long introduction, but GOSEN, which supports people's lives, values ​​basic research, analysis, and evaluation above all else, and the same concept applies to tennis strings. GOSEN tennis strings are evaluated in 4 characteristics; Durability, Power, Soft Feeling, and Spin.

  • Power and Spin are measured by equipment

  • Soft Feeling is measured by equipment + human test

What about Durability?


GOSEN's Durability Test

Durability tests for tennis strings vary by manufacturer; in most cases, details are not disclosed. Therefore, it is difficult to compare tennis strings' durability from different manufacturers numerically. The durability test for GOSEN tennis strings is as follows:

  • The nylon string is hit by a tennis ball at a speed of 100 km/h

  • The polyester string is hit at a speed of 120 km/h.

The test is carried out in a constant environment, but in practice, there is also an effect of temperature. The synthetic strings stretch at high temperatures and shrink at low temperatures. Therefore, adjusting the tension according to the temperature difference is necessary. For example, many players change the tension by about 3 to 5 pounds higher in the summer and lower in the winter.

By the way, current synthetic string materials are almost unaffected by normal humidity changes (i.e. summer-winter, day-night).


A Performance Comparison page for all GOSEN tennis strings was added to the GOSEN CANADA website. As the world's largest supplier of tennis strings, you will find something that fits your playing style.



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