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 Kb5 draw
3 Kb6 draw
4 Kb7 draw
5 Kc5 draw
6 Kc7 draw
7 Kd7 draw
8 Nc4 draw
9 Nc8 draw
10 Nf5 draw
11 Nf7 draw
12 Ne8 loss in 16 half-moves
13 Kd5 loss in 4 half-moves
14 Nb5 loss in 2 half-moves
15 Ne4 loss in 2 half-moves