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

EGTB: win in 4 half-moves

# move score
1 Nb5 win in 3 half-moves
2 Nc2 draw
3 Kd8 loss in 4 half-moves
4 Kd7 loss in 2 half-moves
5 Ke7 loss in 2 half-moves
6 Nb1 loss in 2 half-moves
7 Nc4 loss in 2 half-moves
8 Kf7 loss in 1 half-moves
9 Kf8 loss in 1 half-moves