One of the core benefits of the LTA Advantage Membership is the ITF World Tennis Number. The ITF World Tennis Number is a collaboration of nations led by the ITF to deliver a global rating system. You can review the ITF Privacy Policy at the following link, providing further information about sharing your personal data.
https://www.itftennis.com/media/4170/itf-world-tennis-number-privacy-notice.pdf
https://www.itftennis.com/media/4171/itf-world-tennis-number-privacy-notice-under-18-yrs.pdf