Here’s a prizewinning endgame study (Ernest Pogosyants 1 Pr Leninskoye Znamya 1967) which I found in a review of Anthology of Miniature Endgame Studies by Yochanan Afek in the May 2023 issue of The Problemist.

It’s White to play and draw. You’ll need to find Black’s best try on move 2 for a complete solution.