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

EGTB: win in 4 half-moves

# move score
1 Na6 win in 3 half-moves
2 Kd7 win in 17 half-moves
3 Kb7 win in 39 half-moves
4 Kc8 draw
5 Kd8 loss in 8 half-moves
6 Kc6 loss in 2 half-moves
7 Nc6 loss in 2 half-moves
8 Nd7 loss in 2 half-moves
9 Kb6 loss in 1 half-moves
10 Kd6 loss in 1 half-moves