Each round within the tournament has an allotted time in which both players must ensure that their match is to be played, if connectivity issues occured with either player, they must fix it before the allotted time expires to avoid being disqualified.
If your opponent forfeits, you must remain at your station and immediately contact the on-ground admin. Do not leave until the admin has validated the result.
You can register by clicking on the tournament game card, once opened all you have to do is to fill in the information required and you should be registered.