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 Ka6 draw
3 Kb5 loss in 4 half-moves
4 Ka4 loss in 2 half-moves
5 Kb4 loss in 2 half-moves
6 Nf6 loss in 2 half-moves
7 Nh6 loss in 2 half-moves
8 Ne7 loss in 1 half-moves