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

EGTB: win in 4 half-moves

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