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 Kc6 draw
3 Kc7 draw
4 Kc8 draw
5 Kd6 draw
6 Ke6 draw
7 Ke7 draw
8 Nc6 draw
9 Nc8 draw
10 Kd8 loss in 18 half-moves
11 Ke8 loss in 10 half-moves