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

EGTB: win in 8 half-moves

# move score
1 Kb1 win in 7 half-moves
2 Kb2 win in 7 half-moves
3 Kc2 win in 7 half-moves
4 Kd1 win in 7 half-moves
5 Kd2 win in 7 half-moves
6 Nc2 win in 11 half-moves
7 Nb1 win in 13 half-moves
8 Nb5 loss in 2 half-moves
9 Nc4 loss in 2 half-moves