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 Kd6 draw
3 Kc6 loss in 10 half-moves
4 Kb7 loss in 8 half-moves
5 Kc8 loss in 2 half-moves
6 Kd7 loss in 2 half-moves
7 Na6 loss in 2 half-moves
8 Nc6 loss in 2 half-moves
9 Nd7 loss in 2 half-moves
10 Kd8 loss in 1 half-moves