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 Kc7 loss in 20 half-moves
3 Kc6 loss in 18 half-moves
4 Nc8 loss in 18 half-moves
5 Kc8 loss in 14 half-moves
6 Kd8 loss in 8 half-moves
7 Ke7 loss in 8 half-moves
8 Ke8 loss in 4 half-moves
9 Kd6 loss in 2 half-moves
10 Ke6 loss in 2 half-moves
11 Nc6 loss in 2 half-moves