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

EGTB: win in 4 half-moves

# move score
1 Nb7 win in 3 half-moves
2 Kc5 draw
3 Kc6 draw
4 Kc7 draw
5 Kd5 draw
6 Ke5 draw
7 Ke6 draw
8 Nc6 draw
9 Ne6 draw
10 Nf7 draw
11 Kd7 loss in 24 half-moves
12 Ke7 loss in 12 half-moves