Why is it after winning a battle in the arena I don’t rank up to to take over that spot. I remain at the same number as I started at
Are you in Challengers? If so that runs off of a point based system rather than prior leagues where if you beat someone you take their spot.
It´s just a visual bug, if you got to the main screen of the game and then you go again to arena you will be in the place of the player you beated, or this: