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

EGTB: win in 4 half-moves

# move score
1 Nf8 win in 3 half-moves
2 Kb5 draw
3 Kb7 draw
4 Kc5 draw
5 Kc6 draw
6 Kc7 draw
7 Ka5 loss in 8 half-moves
8 Ka6 loss in 8 half-moves
9 Ka7 loss in 8 half-moves
10 Nf6 loss in 2 half-moves
11 Ng5 loss in 2 half-moves