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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Nb4 loss in 18 half-moves
3 Kb7 loss in 6 half-moves
4 Kc8 loss in 6 half-moves
5 Kb8 loss in 4 half-moves
6 Kc6 loss in 2 half-moves
7 Kd6 loss in 2 half-moves
8 Kd7 loss in 2 half-moves
9 Kd8 loss in 2 half-moves
10 Nc1 loss in 2 half-moves
11 Nc3 loss in 2 half-moves