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

EGTB: win in 2 half-moves

# move score
1 Kh6 win in 1 half-moves
2 Kh7 win in 1 half-moves
3 Kh8 win in 1 half-moves
4 Kf6 loss in 8 half-moves
5 Kf8 loss in 8 half-moves
6 Kf7 loss in 6 half-moves
7 Kg6 loss in 2 half-moves
8 Kg8 loss in 2 half-moves