There hasn't been a set schedule yet. They automatically set then up for you as games are played. Just make sure to have a free day available after your matchups or you could be forced to forfeit. <~~~Dunno if that has happened to anyone yet or not but thats the word.
I have had them add the tourney game to days I already had scrims. Last season in rookie level they did it giving me a ranked scrim and a tourney game the same day. They do put up reminders if you are trying to schedule friendlies and it is on a possible GLB tourney day.