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 Ka6 draw
4 Ka7 draw
5 Kc6 draw
6 Nb5 draw
7 Kb5 loss in 8 half-moves
8 Kc5 loss in 6 half-moves
9 Nb1 loss in 6 half-moves
10 Kc7 loss in 2 half-moves
11 Nc2 loss in 2 half-moves
12 Nc4 loss in 2 half-moves