Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Kg4 win in 3 half-moves
2 K4g5 draw
3 K4h5 draw
4 K6g5 draw
5 K6h5 draw
6 Kg6 draw
7 Kg7 draw
8 Kh7 draw
9 Kg3 loss in 2 half-moves
10 Kh3 loss in 2 half-moves