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

EGTB: win in 4 half-moves

# move score
1 Nb1 win in 3 half-moves
2 Ke1 loss in 30 half-moves
3 Kd2 loss in 14 half-moves
4 Ke2 loss in 14 half-moves
5 Kc1 loss in 6 half-moves
6 Kc2 loss in 6 half-moves
7 Nb5 loss in 2 half-moves
8 Nc2 loss in 2 half-moves
9 Nc4 loss in 2 half-moves