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 Kf5 win in 3 half-moves
3 Kf6 win in 3 half-moves
4 Kg4 loss in 36 half-moves
5 Kg6 loss in 30 half-moves
6 Kh4 loss in 24 half-moves
7 Kh5 loss in 20 half-moves
8 Kh6 loss in 20 half-moves