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

EGTB: win in 2 half-moves

# move score
1 Kb7 win in 1 half-moves
2 Kb8 win in 1 half-moves
3 Ke8 win in 1 half-moves
4 b5 loss in 1 half-moves
5 Kcc7 loss in 1 half-moves
6 Kcd7 loss in 1 half-moves
7 Kdc7 loss in 1 half-moves
8 Kdd7 loss in 1 half-moves
9 Ke7 loss in 1 half-moves