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

EGTB: win in 4 half-moves

# move score
1 Nb5 win in 3 half-moves
2 d8=K draw
3 Nc8 draw
4 d8=B loss in 10 half-moves
5 Nc6 loss in 10 half-moves
6 d8=N loss in 2 half-moves
7 d8=Q loss in 2 half-moves
8 d8=R loss in 2 half-moves