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

EGTB: win in 4 half-moves

# move score
1 Kb8 win in 3 half-moves
2 Kc6 draw
3 Kc8 draw
4 Kd6 draw
5 Kd7 draw
6 Kd8 draw
7 Nc5 draw
8 Nd8 draw
9 Nf8 draw
10 Ng5 draw
11 Ng7 draw
12 Kb6 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Nd4 loss in 2 half-moves
15 Nf4 loss in 2 half-moves