How do I Create or Join a Private Match in Rocket League?
Creating a Private Match
Select Play from the Main Menu.
Select Private Match.
Select Create Private Match.
Customize the settings to your preference.
Select Create Match.
Joining a Private Match
You'll need to know the "Name" and "Password" for the Private Match.
Make sure your matchmaking region matches with the private match you are joining.
Select Play from the Main Menu.
Select Private Match.
Select Join Private Match.