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

EGTB: win in 1 half-moves

# move score
1 a8=K win in 17 half-moves
2 a8=N draw
3 a8=R draw
4 Nb1 draw
5 a8=B loss in 2 half-moves
6 a8=Q loss in 2 half-moves
7 Nb5 loss in 2 half-moves
8 Nc2 loss in 2 half-moves
9 Nc4 loss in 2 half-moves