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 Ke7 draw
3 Kf7 draw
4 Nb3 draw
5 Ke8 loss in 10 half-moves
6 Kg7 loss in 10 half-moves
7 Kg8 loss in 10 half-moves
8 Nc4 loss in 2 half-moves
9 Nc6 loss in 2 half-moves