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 Nc4 win in 3 half-moves
3 Kd4 draw
4 Kd5 draw
5 Kd6 draw
6 Ke4 draw
7 Nc6 draw
8 Ke6 loss in 2 half-moves
9 Kf5 loss in 2 half-moves
10 Kf6 loss in 2 half-moves
11 Nb3 loss in 2 half-moves
12 Kf4 loss in 1 half-moves