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

EGTB: win in 4 half-moves

# move score
1 Kc7 win in 3 half-moves
2 Kb6 draw
3 Kc5 draw
4 Kd6 draw
5 Kd7 draw
6 Nf6 draw
7 Nc7 loss in 16 half-moves
8 Kb7 loss in 14 half-moves
9 Nb6 loss in 14 half-moves
10 Kb5 loss in 2 half-moves
11 Nb4 loss in 2 half-moves
12 Ne3 loss in 2 half-moves
13 Ne7 loss in 2 half-moves
14 Nf4 loss in 2 half-moves
15 Nc3 loss in 1 half-moves