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

EGTB: win in 2 half-moves

# move score
1 Kb4 win in 1 half-moves
2 K5c6 loss in 4 half-moves
3 K5d6 loss in 4 half-moves
4 b5 loss in 2 half-moves
5 K7c6 loss in 2 half-moves
6 K7d6 loss in 2 half-moves
7 Kb5 loss in 2 half-moves
8 Kb7 loss in 2 half-moves
9 Kb8 loss in 2 half-moves
10 Kc8 loss in 2 half-moves
11 Kd5 loss in 2 half-moves
12 Kd7 loss in 2 half-moves
13 Kd8 loss in 2 half-moves
14 Kc4 loss in 1 half-moves
15 Kd4 loss in 1 half-moves