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

EGTB: win in 2 half-moves

# move score
1 Kbb8 win in 1 half-moves
2 Kc6 win in 1 half-moves
3 b5 loss in 2 half-moves
4 Ka6 loss in 1 half-moves
5 Ka7 loss in 1 half-moves
6 Ka8 loss in 1 half-moves
7 Kbc7 loss in 1 half-moves
8 Kcb8 loss in 1 half-moves
9 Kcc7 loss in 1 half-moves
10 Kd7 loss in 1 half-moves
11 Kd8 loss in 1 half-moves