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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Kb8 draw
3 Kc7 draw
4 Kd7 draw
5 Kd8 draw
6 Nc6 draw
7 Nd7 draw
8 Nf3 draw
9 Nf7 draw
10 Ng6 draw
11 Nc4 loss in 2 half-moves
12 Nd3 loss in 2 half-moves
13 Ng4 loss in 2 half-moves