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

EGTB: win in 2 half-moves

# move score
1 Nb3 win in 1 half-moves
2 Kb6 loss in 8 half-moves
3 Ka6 loss in 4 half-moves
4 Ka7 loss in 4 half-moves
5 Ka8 loss in 2 half-moves
6 Kb8 loss in 2 half-moves
7 Kc6 loss in 2 half-moves
8 Kc7 loss in 2 half-moves
9 Kc8 loss in 2 half-moves
10 Nc4 loss in 2 half-moves
11 Nc6 loss in 2 half-moves