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

EGTB: win in 2 half-moves

# move score
1 b5 win in 1 half-moves
2 Ka5 win in 1 half-moves
3 Ka7 win in 1 half-moves
4 Kc7 win in 1 half-moves
5 Kcb5 loss in 2 half-moves
6 Kcb7 loss in 2 half-moves
7 Kd5 loss in 2 half-moves
8 Kd6 loss in 2 half-moves
9 Kd7 loss in 2 half-moves
10 Kab5 loss in 1 half-moves
11 Kab7 loss in 1 half-moves
12 Kc5 loss in 1 half-moves