Users provide consent to receive SMS messages from Courtrack when they create an account, register for a tournament, join a team, or are added by a club or organizer through the Courtrack mobile app, web platform, or registration forms. During registration, users provide their phone number and agree to the Terms of Service and Privacy Policy, which include consent to receive transactional and informational messages related to matches, schedules, results, account activity, and tournament communications. Organizers registering participants confirm that they have obtained consent from the individual before submitting their contact information. Users can opt out at any time by replying STOP to any message.