The only way to draw is 1 Kf6!! g4 2 Kg6 g3 (2...Kg8 3 h7+ Kh8 4 Kh6 g3 5 Kg6 g2 6 Kh6 now if promote to Q or R its stalemate and otherwise its unsufficient material to checkmate) 3 h7 g2 4 Kh6 g1=Q or R or N or B=draw