How to unpublish/hide a specific bracket
By default all brackets will be published once you decide to publish your brackets. You can hide a specific mat if you want, read more here.
If you want you are also able to unpublish a specific bracket.
Start by going to the bracket you want to unpublish and click on edit.
Click the arrow down under "back to bracket" and click "Unpublish bracket".
All unpublished brackets will have a label saying "Unpublished" and can then only be seen by the organizer.