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