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 Kb7 draw
4 Kb8 draw
5 Nb7 draw
6 Nc4 loss in 2 half-moves
7 Nc6 loss in 2 half-moves