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

EGTB: win in 4 half-moves

# move score
1 Nb3 win in 3 half-moves
2 Ka7 draw
3 Nb7 draw
4 Nc4 draw
5 Nc6 draw
6 Kb7 loss in 8 half-moves
7 Kb8 loss in 6 half-moves