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

EGTB: win in 4 half-moves

# move score
1 Kd6 win in 3 half-moves
2 Kc5 draw
3 Kc7 draw
4 Kd5 draw
5 Kd7 draw
6 Ng7 draw
7 Nc7 loss in 20 half-moves
8 Nd6 loss in 18 half-moves
9 Kb5 loss in 16 half-moves
10 Kb6 loss in 4 half-moves
11 Kb7 loss in 4 half-moves
12 Nf6 loss in 2 half-moves