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

EGTB: win in 12 half-moves

# move score
1 Nc7 win in 11 half-moves
2 Kb5 win in 13 half-moves
3 Kb6 win in 13 half-moves
4 Kb7 win in 13 half-moves
5 Ka5 win in 15 half-moves
6 Ka7 win in 15 half-moves
7 Nb6 loss in 6 half-moves