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

EGTB: win in 4 half-moves

# move score
1 Nb3 win in 3 half-moves
2 Kb5 draw
3 Kb6 draw
4 Kd5 draw
5 Nb7 draw
6 Nc6 draw
7 Kc6 loss in 36 half-moves
8 Kd6 loss in 36 half-moves
9 Kb4 loss in 2 half-moves
10 Kc4 loss in 2 half-moves
11 Kd4 loss in 2 half-moves
12 Nc4 loss in 2 half-moves