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

EGTB: win in 4 half-moves

# move score
1 Kd6 win in 3 half-moves
2 Kd7 win in 5 half-moves
3 Kb6 win in 7 half-moves
4 Kc6 win in 7 half-moves
5 Nc3 win in 9 half-moves
6 Kb7 win in 13 half-moves
7 Nd6 win in 21 half-moves
8 Kb8 draw
9 Kc8 draw
10 Kd8 draw
11 Na7 draw
12 Na3 loss in 2 half-moves
13 Nd4 loss in 2 half-moves