Sometimes you'll need to withdraw from a tournament or change your signup notes. To do that, follow these steps:
1) Navigate to the main Tournament Page.
2) Click on "View" next to the tournament in question.
3) On the left, click on "Register Now" even though you're already registered
4) Click on "Edit Registration."
5) Put your name in the Player box and click continue.
6) Near the top, in yellow, click the "Click Here" link.
7) In the "Action" drop down box, selection your option.