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 draw
3 Kf8 draw
4 Kg6 draw
5 Kg8 draw
6 Kh6 draw
7 Kh8 loss in 10 half-moves
8 Kh7 loss in 8 half-moves