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 Kc4 draw
3 Kc6 draw
4 Kd5 draw
5 Kd6 draw
6 Nd7 draw
7 Ne6 draw
8 Ng6 draw
9 Nh7 draw
10 Kb4 loss in 2 half-moves
11 Kb5 loss in 2 half-moves
12 Kd4 loss in 2 half-moves