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

EGTB: win in 6 half-moves

# move score
1 Nb7 win in 5 half-moves
2 Kd7 loss in 12 half-moves
3 Kf7 loss in 12 half-moves
4 Ke6 loss in 10 half-moves
5 Kf6 loss in 10 half-moves
6 Kf8 loss in 10 half-moves
7 Kd8 loss in 8 half-moves
8 Ke8 loss in 4 half-moves
9 Kd6 loss in 2 half-moves
10 Nb3 loss in 2 half-moves
11 Nc4 loss in 2 half-moves
12 Nc6 loss in 2 half-moves