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

EGTB: win in 6 half-moves

# move score
1 Kb8 win in 5 half-moves
2 Ka7 draw
3 Kb7 draw
4 Nb7 draw
5 Nc6 draw
6 Nb3 loss in 2 half-moves
7 Nc4 loss in 2 half-moves