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

EGTB: win in 6 half-moves

# move score
1 Kb6 win in 5 half-moves
2 Kb8 draw
3 Kc6 draw
4 Kc8 draw
5 Kd6 draw
6 Kd7 draw
7 Nd8 draw
8 Na5 loss in 2 half-moves
9 Nc5 loss in 2 half-moves
10 Nd6 loss in 2 half-moves
11 Kd8 loss in 1 half-moves