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 Kd7 win in 3 half-moves
3 Ke7 win in 3 half-moves
4 Kd5 win in 5 half-moves
5 Ke5 win in 5 half-moves
6 Kf6 win in 7 half-moves
7 Nf4 win in 9 half-moves
8 Kf7 draw
9 Ng7 draw
10 Kf5 loss in 2 half-moves
11 Nf6 loss in 2 half-moves
12 Ng3 loss in 2 half-moves