Topic to share your tips when battling against tr.
1: Use super effective Pokemon. I battled against a tr without se pokes and lost with the last poke at like 1% hp, but with se Pokemon (my Ttar in this case) Ko’d all 3 pokes without it getting ko’d
Just looking on the Internet for strats will help but this also applies in-game, so power up & evolve Pokemon too.
Trying to battle as many tr grunts as you can will make you better against battling them so if you can battle them, you should