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

EGTB: win in 2 half-moves

# move score
1 b7 win in 1 half-moves
2 Nb7 win in 1 half-moves
3 Nc6 draw
4 Nb3 loss in 6 half-moves
5 Nc4 loss in 6 half-moves