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 Kc1 loss in 2 half-moves
3 Kc2 loss in 2 half-moves
4 Kd2 loss in 2 half-moves
5 Ke1 loss in 2 half-moves
6 Ke2 loss in 2 half-moves
7 Nc4 loss in 2 half-moves
8 Nb7 loss in 1 half-moves
9 Nc6 loss in 1 half-moves