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 Nb7 win in 3 half-moves
3 Kd5 loss in 10 half-moves
4 Kd6 loss in 10 half-moves
5 Kf5 loss in 10 half-moves
6 Kf6 loss in 10 half-moves
7 Ke6 loss in 8 half-moves
8 Ke4 loss in 2 half-moves
9 Kf4 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