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 Kd7 draw
3 Ke8 loss in 18 half-moves
4 Kf7 loss in 6 half-moves
5 Kf8 loss in 6 half-moves
6 Kd6 loss in 2 half-moves
7 Ke6 loss in 2 half-moves
8 Nc6 loss in 2 half-moves
9 Ne6 loss in 2 half-moves
10 Nf7 loss in 2 half-moves
11 Kf6 loss in 1 half-moves