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 Kf7 loss in 24 half-moves
3 Kf8 loss in 24 half-moves
4 Kg6 loss in 12 half-moves
5 Kg8 loss in 12 half-moves
6 Kh6 loss in 12 half-moves
7 Kh7 loss in 12 half-moves
8 Kh8 loss in 12 half-moves