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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kc6 draw
3 Kc7 draw
4 Kc8 draw
5 Nb6 loss in 16 half-moves
6 Nc7 loss in 16 half-moves
7 Ka6 loss in 8 half-moves
8 Kb8 loss in 8 half-moves
9 Ka7 loss in 6 half-moves