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 draw
3 Nc4 draw
4 Nc6 draw
5 Kd8 loss in 2 half-moves
6 Ke7 loss in 2 half-moves
7 Kf7 loss in 2 half-moves
8 Kf8 loss in 2 half-moves
9 Nb3 loss in 2 half-moves