Yes of course! I forgot to mention that this configuration is called nuzlocke.
It was something I already knew about, however until now I hadn't played more than the base games. I've been having a lot of fun playing it in group.
We make our custom teams in showdown and play in the Gen7 custom game format.
There are 5 of us, so we do a kind of tournament,two rounds 1vs1, the winners fight among themselves, and the winner of this one plays with the winner of the previous tournament👑
Oh I got it... That's a nice way to do it: