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

EGTB: win in 2 half-moves

# move score
1 Kb8 win in 1 half-moves
2 Kd8 win in 1 half-moves
3 K8b7 loss in 2 half-moves
4 K8c7 loss in 2 half-moves
5 K8d7 loss in 2 half-moves
6 b5 loss in 1 half-moves
7 K6b7 loss in 1 half-moves
8 K6c7 loss in 1 half-moves
9 K6d7 loss in 1 half-moves
10 Kb5 loss in 1 half-moves
11 Kc5 loss in 1 half-moves
12 Kd5 loss in 1 half-moves
13 Kd6 loss in 1 half-moves