Log into the tournament system below using your Multiplay user name and password.
Select the appropriate Tab for your tournament.
Change the drop down box from Not Entered to Entered. Click Save in the bottom left.
Add your Battle.net character name and code (example.999) to the tournament system prior to the tournament beginning. To add your battle.net details to your Multiplay account click this link here and enter it into the lower box (Game ID).
Come to the LAN and check the schedule before the tournament start (when available).