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 Ka6 win in 1 half-moves
3 Ka8 win in 1 half-moves
4 Kc6 win in 1 half-moves
5 Kc8 win in 1 half-moves
6 Kab7 loss in 2 half-moves
7 Kab8 loss in 2 half-moves
8 Kcb7 loss in 1 half-moves
9 Kcb8 loss in 1 half-moves
10 Kd6 loss in 1 half-moves
11 Kd7 loss in 1 half-moves
12 Kd8 loss in 1 half-moves