We have something new for you, dear ITF Junior tournament players. Now you are able not only sign-in for singles, but for doubles as well. 

*To sign in for doubles player has to be signed in online for singles **Both players have to be platform users with fulfilled profile details 4 easy steps: 1) Go to a tournament registration page 2) Select category, partner and click registration 3) Make sure your partner has confirmed his participation 4) Wait referees approval (you will receive email + status of "Your entry" will be updated to "approved"

Check out the video

https://www.youtube.com/watch?v=JZuwV7O1L9M&t=1s