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

EGTB: win in 2 half-moves

# move score
1 Kb6 win in 1 half-moves
2 Kc5 win in 1 half-moves
3 Kd5 win in 1 half-moves
4 Kd7 win in 1 half-moves
5 Kb5 draw
6 Kb7 draw
7 Na6 loss in 22 half-moves
8 Nd7 loss in 2 half-moves
9 Kc7 loss in 1 half-moves
10 Kd6 loss in 1 half-moves