Okay, go to "PRIVATE ROOMS" and click "CREATE ROOM". Then you see this[imgur.com].
ROOM CODEName of the room //need to join
GAME MODEYou select game mode //best is FFA (Free For All)
MAP SIZE you select, is is map small, big or medium //1-5 players = small 5-10 = medium 10< = big
ROOM DURATIONyou select time of the room //best is 1day
MATCH DURATIONtime of the game //best is UNLIMITED
IN-GAME ITEMSYou select, that it's in game potions or not //best is NO
THIS THE BEST CONFIG FOR 1V1! CLICK![imgur.com]
+REP? :)