lichess.org/ymRUTRFN/my time ended, but he had no material to mate me, even if i made the worst moves
You could poromote to a dark bishop, run with your hing to h1, your bishop to hr, his king f2, his bishop check would mate you. So theoretical - selfmates count here - you could be mated.
58 Kh4 Be8 59 f7 Bc6 60 f8=B Kf5 61 Kh3 Kf4 62 Kh2 Kf3 63 Kh1 Ba8 64 Bc5 Bb7 65 Bg1 Kg3#
