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

EGTB: win in 2 half-moves

# move score
1 Ka7 win in 1 half-moves
2 Ka8 win in 1 half-moves
3 Kc8 win in 1 half-moves
4 Kd5 win in 1 half-moves
5 Kd6 win in 1 half-moves
6 Kd7 win in 1 half-moves
7 b5 loss in 1 half-moves
8 Kb5 loss in 1 half-moves
9 Kbb7 loss in 1 half-moves
10 Kbc7 loss in 1 half-moves
11 Kc5 loss in 1 half-moves
12 Kcb7 loss in 1 half-moves
13 Kcc7 loss in 1 half-moves