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

EGTB: draw

# move score
1 a8=K draw
2 a8=R draw
3 Nf5 draw
4 Nf7 draw
5 Ng8 draw
6 a8=N loss in 10 half-moves
7 a8=B loss in 2 half-moves
8 a8=Q loss in 2 half-moves
9 Ng4 loss in 2 half-moves