1. Brief introduction of ITF
ITF-International Tennis Federation is the organization and management organization of international tennis tournaments. It has the right to negotiate and evaluate the rules of international tennis tournaments.

2. Why do ITF certification?
1) ITF regulations require that only ITF certified sports products can be used in international tennis competitions.
2) Applicants can obtain test reports submitted by the ITF officially authorized laboratory for testing products
3) ITF certified products and recognized company names will be listed on the ITF official website and
In the ITF official annual publication “ITF recognized tennis and tennis court products”.

3. Which products can apply for ITF certification
1) Flooring products Tennis court flooring products (plastic floors, artificial soil,
(Artificial turf, asphalt, carpet, cement, natural soil, natural turf, etc.)
2) Tennis court Tennis court
3) Tennis ball

4. CPR (Court Pace Rating) field earth speed rating
The ITF official divides the sports ground into five speed grades:
Category 1 (slow) Slow speed
Category 2 (medium-slow) Medium and slow
Category 3 (medium) Medium speed
Category 4 (medium-fast)
Category 5 (fast) Category 5 (fast)

The field earth speed test is a method to characterize the interaction between tennis and the court, including two aspects: resistance test and vertical recovery. The former mainly represents the reduction of the horizontal component of the speed after the ball hits the ground, and the latter mainly represents the time interval of continuous bounce.

5. ITF Tennis Star Rating
One-Star ITF Recognition One-Star ITF Recognition approves the installation quality of the main evaluation site.
Two-Star ITF Recognition Two-star recognition is an additional ball speed test on the basis of one-star.