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 Kb7 loss in 40 half-moves
3 Kb8 loss in 40 half-moves
4 Kc7 loss in 40 half-moves
5 Kd7 loss in 32 half-moves
6 Nc6 loss in 12 half-moves
7 Kd8 loss in 10 half-moves
8 Nb7 loss in 10 half-moves
9 Nc4 loss in 2 half-moves