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 Kd7 draw
3 Nc7 draw
4 Kd8 loss in 10 half-moves
5 Kf7 loss in 10 half-moves
6 Ke7 loss in 1 half-moves
7 Kf8 loss in 1 half-moves