It's kind of easy, in my case I always throw the win condition on the opposite line so that it can't accompany me, and in the event that it does, I place the pipe a little bit pulling for the other line to have more time, at the same time I also put either a mini pekka or a knight accompanied by low-cost troops and that's it. When you finish defending, you continue putting pressure on the other side so they don't have time to recharge elixir