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 Ke1 loss in 6 half-moves
3 Kd1 loss in 4 half-moves
4 Kf1 loss in 4 half-moves
5 Kf2 loss in 4 half-moves
6 Kd2 loss in 2 half-moves
7 Kd3 loss in 2 half-moves
8 Ke3 loss in 2 half-moves
9 Kf3 loss in 2 half-moves
10 Nc6 loss in 2 half-moves
11 Nc8 loss in 2 half-moves