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 Kd6 draw
3 Kd7 draw
4 Ke7 draw
5 Nc2 draw
6 Kf6 loss in 14 half-moves
7 Kf7 loss in 14 half-moves
8 Kd5 loss in 4 half-moves
9 Ke5 loss in 2 half-moves
10 Kf5 loss in 2 half-moves
11 Nb1 loss in 2 half-moves
12 Nc4 loss in 2 half-moves