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

EGTB: win in 8 half-moves

# move score
1 Kb7 win in 7 half-moves
2 Kb8 loss in 6 half-moves
3 Kb6 loss in 2 half-moves
4 Kc6 loss in 2 half-moves
5 Kc8 loss in 2 half-moves
6 Kd7 loss in 2 half-moves
7 Nb4 loss in 2 half-moves
8 Nc1 loss in 2 half-moves
9 Nc3 loss in 2 half-moves
10 Kd6 loss in 1 half-moves
11 Kd8 loss in 1 half-moves