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 Kc6 draw
3 Kd6 draw
4 Ke6 draw
5 Nc4 draw
6 Nc6 draw
7 Kc7 loss in 22 half-moves
8 Kc8 loss in 20 half-moves
9 Kd8 loss in 20 half-moves
10 Ke7 loss in 20 half-moves
11 Ke8 loss in 20 half-moves
12 Nb7 loss in 20 half-moves