Has anyone studied elimination chess openings?

I have been playing a variant of chess recently called elimination chess, where the goal is:

Eliminate all the opponents' pieces but one to win, or put yourself in a stalemate. No checkmates, capturing is compulsory.

So it's sort of like the opposite of antichess (anti-anti-chess? haha). It's pretty fun IMO.

I have poked around for anyone talking about this variant, and found basically nothing. I was wondering if anyone has studied any good openings for this variant, or just studied it at all. I have found that (much like in antichess) long range pieces like bishops, queens and rooks can be problematic if you let them get scope, as you are often forced to give them away for a pawn or two.

One opening idea that I've been trying is to push a flank pawn to a3/a6 or h3/h6. This means my opponent will have to give up their bishop for a pawn if they push a center pawn (for example if I were playing black and my opponent plays 1. e4, I go a6, 2. Bxa6 bxa6). But once I get past this, I find it very hard to find a move that doesn't eventually open up one of my long range pieces, I often just shuffle my pieces around and wait for my opponent to open one of their own long range pieces so I can force them to give up the piece for some pawns.

I think eventually you have to sacrifice some pieces for pawns, and I am starting to come to the realization that sometimes pieces are not so much of a power but a liability because they can be forced to capture... Does anyone have any tips for this variant?