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

EGTB: win in 2 half-moves

# move score
1 Kb7 win in 1 half-moves
2 Kd7 win in 1 half-moves
3 Kf7 win in 1 half-moves
4 Nd6 win in 1 half-moves
5 Ka6 loss in 2 half-moves
6 Ka8 loss in 2 half-moves
7 Kb8 loss in 2 half-moves
8 b5 loss in 1 half-moves
9 Kd8 loss in 1 half-moves
10 Ke7 loss in 1 half-moves
11 Kf8 loss in 1 half-moves
12 Ne7 loss in 1 half-moves