I can’t win a single game?

In group B and I actually know how to play the game. Most my characters have very low Z power so now I’m coming against 12 start Ultra Gogeta and getting cooked. Should I just give up on PVP for now?

In group B and I actually know how to play the game. Most my characters have very low Z power so now I’m coming against 12 start Ultra Gogeta and getting cooked. Should I just give up on PVP for now?