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

EGTB: win in 4 half-moves

# move score
1 Nb8 win in 3 half-moves
2 Kd4 draw
3 Kd5 draw
4 Kd6 draw
5 Ke4 draw
6 Ke6 draw
7 Kf4 draw
8 Kf5 draw
9 Kf6 draw
10 Nf6 draw
11 Nf8 draw
12 Nb6 loss in 2 half-moves
13 Nc5 loss in 2 half-moves