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 Kd7 draw
3 Kd8 draw
4 Ke7 draw
5 Nc6 draw
6 Nc8 draw
7 Kf7 loss in 16 half-moves
8 Kf8 loss in 14 half-moves