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

EGTB: win in 4 half-moves

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