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 Kc5 draw
3 Kb6 loss in 30 half-moves
4 Kb7 loss in 26 half-moves
5 Kd5 loss in 22 half-moves
6 Kd6 loss in 22 half-moves
7 Kb5 loss in 6 half-moves
8 Kc7 loss in 2 half-moves
9 Kd7 loss in 2 half-moves
10 Nb3 loss in 2 half-moves
11 Nc4 loss in 2 half-moves