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 loss in 2 half-moves
3 Ka8 loss in 2 half-moves
4 Kab7 loss in 2 half-moves
5 Kab8 loss in 2 half-moves
6 Kc7 loss in 2 half-moves
7 Kcb7 loss in 2 half-moves
8 Kcb8 loss in 2 half-moves
9 Kd7 loss in 2 half-moves
10 Kd8 loss in 2 half-moves
11 Nb3 loss in 2 half-moves
12 Nc2 loss in 2 half-moves