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

EGTB: draw

# move score
1 Kb6 draw
2 Kc7 draw
3 Kd7 draw
4 Nb7 draw
5 Kb7 loss in 8 half-moves
6 Kb5 loss in 2 half-moves
7 Kc5 loss in 2 half-moves
8 Kd5 loss in 2 half-moves
9 Kd6 loss in 2 half-moves
10 Ne6 loss in 2 half-moves
11 Nf7 loss in 2 half-moves