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

EGTB: win in 4 half-moves

# move score
1 Kg4 win in 3 half-moves
2 Kh4 win in 3 half-moves
3 Kf5 loss in 36 half-moves
4 Kh5 loss in 28 half-moves
5 Kf6 loss in 26 half-moves
6 Kg6 loss in 22 half-moves
7 Kh6 loss in 8 half-moves
8 Kf4 loss in 2 half-moves