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

EGTB: win in 12 half-moves

# move score
1 Kb6 win in 11 half-moves
2 Kb7 win in 11 half-moves
3 Kb8 loss in 4 half-moves
4 Kc6 loss in 2 half-moves
5 Kc8 loss in 2 half-moves
6 Kd6 loss in 2 half-moves
7 Kd8 loss in 2 half-moves
8 Nb1 loss in 2 half-moves
9 Nb5 loss in 2 half-moves
10 Nc2 loss in 2 half-moves
11 Nc4 loss in 2 half-moves
12 Kd7 loss in 1 half-moves