Click on the third or sixth rank to set the en passant target square.

EGTB: draw

# move score
1 Kb6 draw
2 Kb7 draw
3 Kb8 draw
4 Kc6 draw
5 Kc8 draw
6 Kd6 draw
7 Kd7 draw
8 Nc6 draw
9 Nc8 draw
10 Kd8 loss in 6 half-moves
11 Nb5 loss in 2 half-moves