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

EGTB: draw

# move score
1 Kb5 draw
2 Kb6 draw
3 Kb7 draw
4 Kc5 draw
5 Kd5 draw
6 Kd6 draw
7 Kd7 draw
8 Nb6 draw
9 Nc7 draw
10 Kc7 loss in 1 half-moves