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

EGTB: win in 2 half-moves

# move score
1 Kg7 win in 1 half-moves
2 g5 loss in 10 half-moves
3 Kf6 loss in 4 half-moves
4 Kg5 loss in 4 half-moves
5 Kh5 loss in 4 half-moves
6 Kf5 loss in 2 half-moves
7 Kh6 loss in 2 half-moves
8 Kf7 loss in 1 half-moves
9 Kh7 loss in 1 half-moves