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

EGTB: win in 4 half-moves

# move score
1 Nf5 win in 3 half-moves
2 Kb6 draw
3 Kc6 draw
4 Kc8 draw
5 Kd6 draw
6 Kd7 draw
7 Kd8 draw
8 Nf3 draw
9 Ng2 loss in 2 half-moves
10 Ng6 loss in 2 half-moves
11 Kb7 loss in 1 half-moves
12 Kb8 loss in 1 half-moves