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ITF World Tennis Number Quiz

🥎 ITF WORLD TENNIS NUMBER QUIZ 🥎

Test your knowledge with our quick, five question quiz. 
1. What is the scale for ITF World Tennis Number?
2. How often does ITF World Tennis Number update?
3. Does ITF World Tennis Number analyse results at game, set or match level?
4. How many players around the world currently have an ITF World Tennis Number?
5. What is ITF World Tennis Number ‘Game zONe’?