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

EGTB: win in 4 half-moves

# move score
1 Kf4 win in 3 half-moves
2 Kf6 loss in 24 half-moves
3 Kg4 loss in 24 half-moves
4 Kg6 loss in 24 half-moves
5 Kh6 loss in 24 half-moves
6 Kf5 loss in 22 half-moves
7 Kh5 loss in 22 half-moves
8 Kh4 loss in 18 half-moves