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 Kb5 draw
3 Kb7 draw
4 Kc5 draw
5 Kd5 draw
6 Na1 draw
7 Na3 draw
8 Nb4 draw
9 Kc7 loss in 2 half-moves
10 Kd6 loss in 2 half-moves
11 Kd7 loss in 2 half-moves
12 Nd4 loss in 2 half-moves
13 Ne1 loss in 2 half-moves
14 Ne3 loss in 1 half-moves