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

EGTB: win in 2 half-moves

# move score
1 Kd6 win in 1 half-moves
2 Kd7 win in 1 half-moves
3 Kd8 win in 1 half-moves
4 Kcb8 loss in 4 half-moves
5 Kcb7 loss in 3 half-moves
6 b5 loss in 2 half-moves
7 Ka6 loss in 2 half-moves
8 Ka8 loss in 2 half-moves
9 Kab7 loss in 2 half-moves
10 Kab8 loss in 2 half-moves
11 Kc6 loss in 2 half-moves
12 Kc8 loss in 2 half-moves