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

EGTB: win in 4 half-moves

# move score
1 Kg5 win in 3 half-moves
2 Kh5 win in 3 half-moves
3 Kf4 loss in 50 half-moves
4 Kh4 loss in 48 half-moves
5 Kf3 loss in 44 half-moves
6 Kg3 loss in 44 half-moves
7 Kh3 loss in 44 half-moves
8 Kf5 loss in 2 half-moves