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

EGTB: win in 4 half-moves

# move score
1 Nb5 win in 3 half-moves
2 Kd5 draw
3 Ke6 draw
4 Nc4 draw
5 Nc8 draw
6 Ne4 draw
7 Ne8 draw
8 Kd4 loss in 2 half-moves
9 Ke4 loss in 2 half-moves
10 Kf4 loss in 2 half-moves
11 Kf5 loss in 2 half-moves
12 Nb7 loss in 2 half-moves
13 Nf5 loss in 2 half-moves
14 Nf7 loss in 2 half-moves
15 Kf6 loss in 1 half-moves