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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Ka5 draw
3 Ka7 draw
4 Kb6 draw
5 Nb1 draw
6 Nb5 draw
7 Nc2 draw
8 Nc4 draw
9 Kb5 loss in 8 half-moves