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

EGTB: win in 2 half-moves

# move score
1 Kh2 win in 1 half-moves
2 Kh3 win in 1 half-moves
3 Kh4 win in 1 half-moves
4 Kf4 loss in 54 half-moves
5 Kg4 loss in 52 half-moves
6 Kf3 loss in 46 half-moves
7 Kg2 loss in 42 half-moves
8 Kf2 loss in 40 half-moves