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

EGTB: win in 2 half-moves

# move score
1 Nb5 win in 1 half-moves
2 Kd1 loss in 2 half-moves
3 Kd2 loss in 2 half-moves
4 Kf1 loss in 2 half-moves
5 Kf2 loss in 2 half-moves
6 Nb1 loss in 2 half-moves
7 Nc4 loss in 2 half-moves
8 Ke2 loss in 1 half-moves
9 Nc2 loss in 1 half-moves