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

EGTB: win in 8 half-moves

# move score
1 b5 win in 7 half-moves
2 Kf7 win in 9 half-moves
3 Kf6 draw
4 Kg6 draw
5 Kh6 loss in 16 half-moves
6 Kh7 loss in 16 half-moves
7 Kf8 loss in 10 half-moves
8 Kg8 loss in 10 half-moves
9 Kh8 loss in 10 half-moves