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 Kc7 draw
3 Kc8 draw
4 Nc8 draw
5 Kd7 loss in 4 half-moves
6 Ke7 loss in 2 half-moves
7 Ke8 loss in 2 half-moves
8 Nc6 loss in 2 half-moves