Appear not in the 1st as scheduled, thisdepend of the friends server,,, so tell them 1st to join without support, and if theres a 4% then just keep it. If it's 0 or 2%, then they can support you.
I mean, in the page of schedules, you can see your calendar, then friends matches and the 3rd page is about active matches, in that 3rd page once the match starts they will be able to join,