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

EGTB: win in 6 half-moves

# move score
1 Kb6 win in 5 half-moves
2 Kc6 draw
3 Nc7 loss in 14 half-moves
4 Kb8 loss in 10 half-moves
5 Kc8 loss in 8 half-moves
6 Ka6 loss in 4 half-moves
7 Ka7 loss in 4 half-moves
8 Kc7 loss in 4 half-moves
9 Nb6 loss in 2 half-moves