There seems to be many people who are still not aware of the tricks to doing this so I’m posting this here.
If you want to click match 2 to 4 Players during Challenge Mode Auto Match you notice that you can’t click that button. What you do is click in this order
- Auto Match with Party (3rd button from the top)
- Match 2 to 4 Players (2nd button from the top)
- Auto Match with Party