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

EGTB: win in 2 half-moves

# move score
1 Nb1 win in 1 half-moves
2 Nb5 win in 1 half-moves
3 b7 draw
4 Nc4 loss in 2 half-moves
5 Nc2 loss in 1 half-moves