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

EGTB: win in 12 half-moves

# move score
1 Kb5 win in 11 half-moves
2 Kb6 draw
3 Kb7 draw
4 Kc5 draw
5 Kc7 draw
6 Kd5 draw
7 Kd6 draw
8 Kd7 draw
9 Nb7 draw
10 Nb3 loss in 2 half-moves
11 Nc4 loss in 2 half-moves