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 Kb7 win in 3 half-moves
3 Nf4 draw
4 Kb5 loss in 30 half-moves
5 Ka7 loss in 8 half-moves
6 Ka5 loss in 4 half-moves
7 Nf6 loss in 2 half-moves
8 Ng3 loss in 2 half-moves
9 Ng7 loss in 1 half-moves