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

EGTB: win in 4 half-moves

# move score
1 Kf7 win in 3 half-moves
2 Kf8 win in 3 half-moves
3 Kg6 loss in 36 half-moves
4 Kh6 loss in 26 half-moves
5 Kg8 loss in 24 half-moves
6 Kh7 loss in 14 half-moves
7 Kh8 loss in 12 half-moves
8 Kf6 loss in 2 half-moves