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 Ke6 win in 3 half-moves
3 Kc6 draw
4 Kc7 draw
5 Ke7 draw
6 Nf6 draw
7 Nf8 draw
8 Kd8 loss in 6 half-moves
9 Ke8 loss in 6 half-moves
10 Kc8 loss in 4 half-moves
11 Ng5 loss in 1 half-moves