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

EGTB: win in 4 half-moves

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