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

EGTB: win in 4 half-moves

# move score
1 Kg6 win in 3 half-moves
2 Kh6 win in 3 half-moves
3 Kf7 loss in 32 half-moves
4 Kh7 loss in 24 half-moves
5 Kf8 loss in 22 half-moves
6 Kh8 loss in 16 half-moves
7 Kg8 loss in 14 half-moves
8 Kf6 loss in 2 half-moves