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

EGTB: win in 2 half-moves

# move score
1 Kh4 win in 1 half-moves
2 Kh5 win in 1 half-moves
3 Kh6 win in 1 half-moves
4 Kf4 loss in 54 half-moves
5 Kg4 loss in 50 half-moves
6 Kf5 loss in 42 half-moves
7 Kf6 loss in 40 half-moves
8 Kg6 loss in 40 half-moves