Enter the Practice Range from the Play menu
Open the game settings and enable a custom game if needed
Invite a friend to your group
Start a Custom Game from the Practice Range lobby
Set the mode to Free-For-All or Team Deathmatch
Add bots only if you want extra targets
Disable or adjust respawn rules if available
Choose heroes for each player
Begin the match and fight each other in the range
Use the practice area for duels, aim training, and ability testing