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

EGTB: win in 4 half-moves

# move score
1 Nf7 win in 3 half-moves
2 Kc7 draw
3 Nf5 draw
4 Ng8 draw
5 Kb7 loss in 14 half-moves
6 Kc6 loss in 14 half-moves
7 Ka5 loss in 12 half-moves
8 Ka6 loss in 12 half-moves
9 Ka7 loss in 12 half-moves
10 Kb5 loss in 12 half-moves
11 Kc5 loss in 2 half-moves
12 Ng4 loss in 2 half-moves