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

EGTB: win in 10 half-moves

# move score
1 Kb7 win in 9 half-moves
2 Kb8 win in 9 half-moves
3 Kc7 win in 9 half-moves
4 Kd8 win in 9 half-moves
5 Kd7 win in 15 half-moves
6 Nb5 loss in 2 half-moves
7 Nc6 loss in 2 half-moves