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

EGTB: win in 10 half-moves

# move score
1 Kf7 win in 9 half-moves
2 b5 draw
3 Kf6 draw
4 Kf8 draw
5 Kg6 loss in 6 half-moves
6 Kh6 loss in 6 half-moves
7 Kh7 loss in 6 half-moves
8 Kh8 loss in 6 half-moves
9 Kg8 loss in 4 half-moves